Home / 3,988,264.83-5,981,142.44-1,291,964.47

Finding the Fourth Proportional to 3,988,264.83, 5,981,142.44 and 1,291,964.47

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Solution

The fourth proportional to 3,988,264.83, 5,981,142.44 and 1,291,964.47 is: 1,937,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,264.83 : 5,981,142.44 = 1,291,964.47 : x
  2. Step 2: Convert to fraction form
    3,988,264.83/5,981,142.44 = 1,291,964.47/x
  3. Step 3: Cross multiply
    3,988,264.83x = 5,981,142.44 × 1,291,964.47
  4. Step 4: Simplify right side
    3,988,264.83x = 7,727,423,522,489.11
  5. Step 5: Solve for x
    x = 7,727,423,522,489.11/3,988,264.83
  6. Step 6: Final answer
    x = 1,937,540.22

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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.