Home / 6,442,883.28-8,890,990.92-3,542,271.12

Finding the Fourth Proportional to 6,442,883.28, 8,890,990.92 and 3,542,271.12

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Solution

The fourth proportional to 6,442,883.28, 8,890,990.92 and 3,542,271.12 is: 4,888,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,883.28 : 8,890,990.92 = 3,542,271.12 : x
  2. Step 2: Convert to fraction form
    6,442,883.28/8,890,990.92 = 3,542,271.12/x
  3. Step 3: Cross multiply
    6,442,883.28x = 8,890,990.92 × 3,542,271.12
  4. Step 4: Simplify right side
    6,442,883.28x = 31,494,300,364,098.23
  5. Step 5: Solve for x
    x = 31,494,300,364,098.23/6,442,883.28
  6. Step 6: Final answer
    x = 4,888,230.78

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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.