Home / 4,920,691.80-7,381,037.70-4,389,850.20

Finding the Fourth Proportional to 4,920,691.80, 7,381,037.70 and 4,389,850.20

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Solution

The fourth proportional to 4,920,691.80, 7,381,037.70 and 4,389,850.20 is: 6,584,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,691.80 : 7,381,037.70 = 4,389,850.20 : x
  2. Step 2: Convert to fraction form
    4,920,691.80/7,381,037.70 = 4,389,850.20/x
  3. Step 3: Cross multiply
    4,920,691.80x = 7,381,037.70 × 4,389,850.20
  4. Step 4: Simplify right side
    4,920,691.80x = 32,401,649,823,552.54
  5. Step 5: Solve for x
    x = 32,401,649,823,552.54/4,920,691.80
  6. Step 6: Final answer
    x = 6,584,775.30

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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.