Home / 3,830,346.19-5,285,913.66-2,111,528.20

Finding the Fourth Proportional to 3,830,346.19, 5,285,913.66 and 2,111,528.20

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Solution

The fourth proportional to 3,830,346.19, 5,285,913.66 and 2,111,528.20 is: 2,913,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,346.19 : 5,285,913.66 = 2,111,528.20 : x
  2. Step 2: Convert to fraction form
    3,830,346.19/5,285,913.66 = 2,111,528.20/x
  3. Step 3: Cross multiply
    3,830,346.19x = 5,285,913.66 × 2,111,528.20
  4. Step 4: Simplify right side
    3,830,346.19x = 11,161,355,755,855.21
  5. Step 5: Solve for x
    x = 11,161,355,755,855.21/3,830,346.19
  6. Step 6: Final answer
    x = 2,913,928.72

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Double scale
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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.