Home / 5,079,729.61-7,011,370.88-3,144,890.71

Finding the Fourth Proportional to 5,079,729.61, 7,011,370.88 and 3,144,890.71

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Solution

The fourth proportional to 5,079,729.61, 7,011,370.88 and 3,144,890.71 is: 4,340,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,729.61 : 7,011,370.88 = 3,144,890.71 : x
  2. Step 2: Convert to fraction form
    5,079,729.61/7,011,370.88 = 3,144,890.71/x
  3. Step 3: Cross multiply
    5,079,729.61x = 7,011,370.88 × 3,144,890.71
  4. Step 4: Simplify right side
    5,079,729.61x = 22,049,995,167,399.64
  5. Step 5: Solve for x
    x = 22,049,995,167,399.64/5,079,729.61
  6. Step 6: Final answer
    x = 4,340,781.27

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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.