Home / 3,990,726.92-5,984,829.09-1,431,884.68

Finding the Fourth Proportional to 3,990,726.92, 5,984,829.09 and 1,431,884.68

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Solution

The fourth proportional to 3,990,726.92, 5,984,829.09 and 1,431,884.68 is: 2,147,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,726.92 : 5,984,829.09 = 1,431,884.68 : x
  2. Step 2: Convert to fraction form
    3,990,726.92/5,984,829.09 = 1,431,884.68/x
  3. Step 3: Cross multiply
    3,990,726.92x = 5,984,829.09 × 1,431,884.68
  4. Step 4: Simplify right side
    3,990,726.92x = 8,569,585,071,427.27
  5. Step 5: Solve for x
    x = 8,569,585,071,427.27/3,990,726.92
  6. Step 6: Final answer
    x = 2,147,374.46

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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.