Home / 5,337,390.60-8,000,837.10-2,642,131.80

Finding the Fourth Proportional to 5,337,390.60, 8,000,837.10 and 2,642,131.80

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Solution

The fourth proportional to 5,337,390.60, 8,000,837.10 and 2,642,131.80 is: 3,960,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337,390.60 : 8,000,837.10 = 2,642,131.80 : x
  2. Step 2: Convert to fraction form
    5,337,390.60/8,000,837.10 = 2,642,131.80/x
  3. Step 3: Cross multiply
    5,337,390.60x = 8,000,837.10 × 2,642,131.80
  4. Step 4: Simplify right side
    5,337,390.60x = 21,139,266,128,529.78
  5. Step 5: Solve for x
    x = 21,139,266,128,529.78/5,337,390.60
  6. Step 6: Final answer
    x = 3,960,599.42

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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.