Home / 3,988,350.12-5,982,737.34-1,256,111.21

Finding the Fourth Proportional to 3,988,350.12, 5,982,737.34 and 1,256,111.21

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Solution

The fourth proportional to 3,988,350.12, 5,982,737.34 and 1,256,111.21 is: 1,884,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,350.12 : 5,982,737.34 = 1,256,111.21 : x
  2. Step 2: Convert to fraction form
    3,988,350.12/5,982,737.34 = 1,256,111.21/x
  3. Step 3: Cross multiply
    3,988,350.12x = 5,982,737.34 × 1,256,111.21
  4. Step 4: Simplify right side
    3,988,350.12x = 7,514,983,439,259.58
  5. Step 5: Solve for x
    x = 7,514,983,439,259.58/3,988,350.12
  6. Step 6: Final answer
    x = 1,884,233.63

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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.