Home / 4,991,331.20-7,486,996.80-3,811,683.20

Finding the Fourth Proportional to 4,991,331.20, 7,486,996.80 and 3,811,683.20

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Solution

The fourth proportional to 4,991,331.20, 7,486,996.80 and 3,811,683.20 is: 5,717,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,331.20 : 7,486,996.80 = 3,811,683.20 : x
  2. Step 2: Convert to fraction form
    4,991,331.20/7,486,996.80 = 3,811,683.20/x
  3. Step 3: Cross multiply
    4,991,331.20x = 7,486,996.80 × 3,811,683.20
  4. Step 4: Simplify right side
    4,991,331.20x = 28,538,059,921,013.76
  5. Step 5: Solve for x
    x = 28,538,059,921,013.76/4,991,331.20
  6. Step 6: Final answer
    x = 5,717,524.80

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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.