Home / 2,119,015.38-2,924,220.57-1,152,145.65

Finding the Fourth Proportional to 2,119,015.38, 2,924,220.57 and 1,152,145.65

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Solution

The fourth proportional to 2,119,015.38, 2,924,220.57 and 1,152,145.65 is: 1,589,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,015.38 : 2,924,220.57 = 1,152,145.65 : x
  2. Step 2: Convert to fraction form
    2,119,015.38/2,924,220.57 = 1,152,145.65/x
  3. Step 3: Cross multiply
    2,119,015.38x = 2,924,220.57 × 1,152,145.65
  4. Step 4: Simplify right side
    2,119,015.38x = 3,369,128,009,366.02
  5. Step 5: Solve for x
    x = 3,369,128,009,366.02/2,119,015.38
  6. Step 6: Final answer
    x = 1,589,949.77

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Double scale
Find fourth proportional to 2,119,016.38, 2,924,221.95 and 1,152,146.65
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.