Home / 5,122,344.60-7,678,268.10-2,991,331.80

Finding the Fourth Proportional to 5,122,344.60, 7,678,268.10 and 2,991,331.80

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Solution

The fourth proportional to 5,122,344.60, 7,678,268.10 and 2,991,331.80 is: 4,483,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,344.60 : 7,678,268.10 = 2,991,331.80 : x
  2. Step 2: Convert to fraction form
    5,122,344.60/7,678,268.10 = 2,991,331.80/x
  3. Step 3: Cross multiply
    5,122,344.60x = 7,678,268.10 × 2,991,331.80
  4. Step 4: Simplify right side
    5,122,344.60x = 22,968,247,536,455.58
  5. Step 5: Solve for x
    x = 22,968,247,536,455.58/5,122,344.60
  6. Step 6: Final answer
    x = 4,483,932.52

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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.