Home / 3,943,657.12-5,442,250.46-2,132,821.12

Finding the Fourth Proportional to 3,943,657.12, 5,442,250.46 and 2,132,821.12

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Solution

The fourth proportional to 3,943,657.12, 5,442,250.46 and 2,132,821.12 is: 2,943,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,657.12 : 5,442,250.46 = 2,132,821.12 : x
  2. Step 2: Convert to fraction form
    3,943,657.12/5,442,250.46 = 2,132,821.12/x
  3. Step 3: Cross multiply
    3,943,657.12x = 5,442,250.46 × 2,132,821.12
  4. Step 4: Simplify right side
    3,943,657.12x = 11,607,346,721,417.71
  5. Step 5: Solve for x
    x = 11,607,346,721,417.71/3,943,657.12
  6. Step 6: Final answer
    x = 2,943,295.11

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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.