Home / 3,840,721.39-5,761,007.93-1,146,871.87

Finding the Fourth Proportional to 3,840,721.39, 5,761,007.93 and 1,146,871.87

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Solution

The fourth proportional to 3,840,721.39, 5,761,007.93 and 1,146,871.87 is: 1,720,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,721.39 : 5,761,007.93 = 1,146,871.87 : x
  2. Step 2: Convert to fraction form
    3,840,721.39/5,761,007.93 = 1,146,871.87/x
  3. Step 3: Cross multiply
    3,840,721.39x = 5,761,007.93 × 1,146,871.87
  4. Step 4: Simplify right side
    3,840,721.39x = 6,607,137,932,029.57
  5. Step 5: Solve for x
    x = 6,607,137,932,029.57/3,840,721.39
  6. Step 6: Final answer
    x = 1,720,285.66

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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.