Home / 5,707,957.20-7,871,100.84-3,988,450.32

Finding the Fourth Proportional to 5,707,957.20, 7,871,100.84 and 3,988,450.32

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Solution

The fourth proportional to 5,707,957.20, 7,871,100.84 and 3,988,450.32 is: 5,499,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707,957.20 : 7,871,100.84 = 3,988,450.32 : x
  2. Step 2: Convert to fraction form
    5,707,957.20/7,871,100.84 = 3,988,450.32/x
  3. Step 3: Cross multiply
    5,707,957.20x = 7,871,100.84 × 3,988,450.32
  4. Step 4: Simplify right side
    5,707,957.20x = 31,393,494,664,050.27
  5. Step 5: Solve for x
    x = 31,393,494,664,050.27/5,707,957.20
  6. Step 6: Final answer
    x = 5,499,952.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.