Home / 5,138,280.18-7,089,925.32-2,932,135.73

Finding the Fourth Proportional to 5,138,280.18, 7,089,925.32 and 2,932,135.73

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Solution

The fourth proportional to 5,138,280.18, 7,089,925.32 and 2,932,135.73 is: 4,045,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,280.18 : 7,089,925.32 = 2,932,135.73 : x
  2. Step 2: Convert to fraction form
    5,138,280.18/7,089,925.32 = 2,932,135.73/x
  3. Step 3: Cross multiply
    5,138,280.18x = 7,089,925.32 × 2,932,135.73
  4. Step 4: Simplify right side
    5,138,280.18x = 20,788,623,375,189.91
  5. Step 5: Solve for x
    x = 20,788,623,375,189.91/5,138,280.18
  6. Step 6: Final answer
    x = 4,045,832.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.