Home / 5,239,939.20-7,231,042.02-2,948,094.42

Finding the Fourth Proportional to 5,239,939.20, 7,231,042.02 and 2,948,094.42

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Solution

The fourth proportional to 5,239,939.20, 7,231,042.02 and 2,948,094.42 is: 4,068,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,939.20 : 7,231,042.02 = 2,948,094.42 : x
  2. Step 2: Convert to fraction form
    5,239,939.20/7,231,042.02 = 2,948,094.42/x
  3. Step 3: Cross multiply
    5,239,939.20x = 7,231,042.02 × 2,948,094.42
  4. Step 4: Simplify right side
    5,239,939.20x = 21,317,794,629,947.53
  5. Step 5: Solve for x
    x = 21,317,794,629,947.53/5,239,939.20
  6. Step 6: Final answer
    x = 4,068,328.62

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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.