Home / 4,920,960.60-7,381,440.90-3,131,775.90

Finding the Fourth Proportional to 4,920,960.60, 7,381,440.90 and 3,131,775.90

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Solution

The fourth proportional to 4,920,960.60, 7,381,440.90 and 3,131,775.90 is: 4,697,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,960.60 : 7,381,440.90 = 3,131,775.90 : x
  2. Step 2: Convert to fraction form
    4,920,960.60/7,381,440.90 = 3,131,775.90/x
  3. Step 3: Cross multiply
    4,920,960.60x = 7,381,440.90 × 3,131,775.90
  4. Step 4: Simplify right side
    4,920,960.60x = 23,117,018,717,894.31
  5. Step 5: Solve for x
    x = 23,117,018,717,894.31/4,920,960.60
  6. Step 6: Final answer
    x = 4,697,663.85

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Similar ratio
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1.5x scale

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.