Home / 4,857,210.70-7,285,816.05-1,490,980.30

Finding the Fourth Proportional to 4,857,210.70, 7,285,816.05 and 1,490,980.30

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Solution

The fourth proportional to 4,857,210.70, 7,285,816.05 and 1,490,980.30 is: 2,236,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,210.70 : 7,285,816.05 = 1,490,980.30 : x
  2. Step 2: Convert to fraction form
    4,857,210.70/7,285,816.05 = 1,490,980.30/x
  3. Step 3: Cross multiply
    4,857,210.70x = 7,285,816.05 × 1,490,980.30
  4. Step 4: Simplify right side
    4,857,210.70x = 10,863,008,199,973.81
  5. Step 5: Solve for x
    x = 10,863,008,199,973.81/4,857,210.70
  6. Step 6: Final answer
    x = 2,236,470.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.