Home / 3,943,776.16-5,442,410.96-2,132,940

Finding the Fourth Proportional to 3,943,776.16, 5,442,410.96 and 2,132,940

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Solution

The fourth proportional to 3,943,776.16, 5,442,410.96 and 2,132,940 is: 2,943,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,776.16 : 5,442,410.96 = 2,132,940 : x
  2. Step 2: Convert to fraction form
    3,943,776.16/5,442,410.96 = 2,132,940/x
  3. Step 3: Cross multiply
    3,943,776.16x = 5,442,410.96 × 2,132,940
  4. Step 4: Simplify right side
    3,943,776.16x = 11,608,336,033,022.40
  5. Step 5: Solve for x
    x = 11,608,336,033,022.40/3,943,776.16
  6. Step 6: Final answer
    x = 2,943,457.12

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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.