Home / 4,920,778.20-7,381,167.30-4,472,005.80

Finding the Fourth Proportional to 4,920,778.20, 7,381,167.30 and 4,472,005.80

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Solution

The fourth proportional to 4,920,778.20, 7,381,167.30 and 4,472,005.80 is: 6,708,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,778.20 : 7,381,167.30 = 4,472,005.80 : x
  2. Step 2: Convert to fraction form
    4,920,778.20/7,381,167.30 = 4,472,005.80/x
  3. Step 3: Cross multiply
    4,920,778.20x = 7,381,167.30 × 4,472,005.80
  4. Step 4: Simplify right side
    4,920,778.20x = 33,008,622,976,370.34
  5. Step 5: Solve for x
    x = 33,008,622,976,370.34/4,920,778.20
  6. Step 6: Final answer
    x = 6,708,008.70

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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.