Home / 3,988,284.23-5,981,171.43-1,291,983.87

Finding the Fourth Proportional to 3,988,284.23, 5,981,171.43 and 1,291,983.87

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Solution

The fourth proportional to 3,988,284.23, 5,981,171.43 and 1,291,983.87 is: 1,937,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,284.23 : 5,981,171.43 = 1,291,983.87 : x
  2. Step 2: Convert to fraction form
    3,988,284.23/5,981,171.43 = 1,291,983.87/x
  3. Step 3: Cross multiply
    3,988,284.23x = 5,981,171.43 × 1,291,983.87
  4. Step 4: Simplify right side
    3,988,284.23x = 7,727,577,011,264.83
  5. Step 5: Solve for x
    x = 7,727,577,011,264.83/3,988,284.23
  6. Step 6: Final answer
    x = 1,937,569.28

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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.