Home / 3,436,711.40-5,155,067.10-2,642,004.20

Finding the Fourth Proportional to 3,436,711.40, 5,155,067.10 and 2,642,004.20

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Solution

The fourth proportional to 3,436,711.40, 5,155,067.10 and 2,642,004.20 is: 3,963,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,711.40 : 5,155,067.10 = 2,642,004.20 : x
  2. Step 2: Convert to fraction form
    3,436,711.40/5,155,067.10 = 2,642,004.20/x
  3. Step 3: Cross multiply
    3,436,711.40x = 5,155,067.10 × 2,642,004.20
  4. Step 4: Simplify right side
    3,436,711.40x = 13,619,708,929,481.82
  5. Step 5: Solve for x
    x = 13,619,708,929,481.82/3,436,711.40
  6. Step 6: Final answer
    x = 3,963,006.30

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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.