Home / 5,156,879.43-7,116,076.40-2,981,562.15

Finding the Fourth Proportional to 5,156,879.43, 7,116,076.40 and 2,981,562.15

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Solution

The fourth proportional to 5,156,879.43, 7,116,076.40 and 2,981,562.15 is: 4,114,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,879.43 : 7,116,076.40 = 2,981,562.15 : x
  2. Step 2: Convert to fraction form
    5,156,879.43/7,116,076.40 = 2,981,562.15/x
  3. Step 3: Cross multiply
    5,156,879.43x = 7,116,076.40 × 2,981,562.15
  4. Step 4: Simplify right side
    5,156,879.43x = 21,217,024,035,840.45
  5. Step 5: Solve for x
    x = 21,217,024,035,840.45/5,156,879.43
  6. Step 6: Final answer
    x = 4,114,314.54

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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.