Home / 5,022,920.56-6,931,439.40-2,731,083.12

Finding the Fourth Proportional to 5,022,920.56, 6,931,439.40 and 2,731,083.12

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Solution

The fourth proportional to 5,022,920.56, 6,931,439.40 and 2,731,083.12 is: 3,768,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022,920.56 : 6,931,439.40 = 2,731,083.12 : x
  2. Step 2: Convert to fraction form
    5,022,920.56/6,931,439.40 = 2,731,083.12/x
  3. Step 3: Cross multiply
    5,022,920.56x = 6,931,439.40 × 2,731,083.12
  4. Step 4: Simplify right side
    5,022,920.56x = 18,930,337,142,642.93
  5. Step 5: Solve for x
    x = 18,930,337,142,642.93/5,022,920.56
  6. Step 6: Final answer
    x = 3,768,790.87

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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.