Home / 6,391,740.80-9,587,611.20-4,607,148.80

Finding the Fourth Proportional to 6,391,740.80, 9,587,611.20 and 4,607,148.80

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Solution

The fourth proportional to 6,391,740.80, 9,587,611.20 and 4,607,148.80 is: 6,910,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,740.80 : 9,587,611.20 = 4,607,148.80 : x
  2. Step 2: Convert to fraction form
    6,391,740.80/9,587,611.20 = 4,607,148.80/x
  3. Step 3: Cross multiply
    6,391,740.80x = 9,587,611.20 × 4,607,148.80
  4. Step 4: Simplify right side
    6,391,740.80x = 44,171,551,434,946.55
  5. Step 5: Solve for x
    x = 44,171,551,434,946.55/6,391,740.80
  6. Step 6: Final answer
    x = 6,910,723.20

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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.