Home / 5,389,898.11-7,438,172.22-2,942,612.31

Finding the Fourth Proportional to 5,389,898.11, 7,438,172.22 and 2,942,612.31

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Solution

The fourth proportional to 5,389,898.11, 7,438,172.22 and 2,942,612.31 is: 4,060,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,898.11 : 7,438,172.22 = 2,942,612.31 : x
  2. Step 2: Convert to fraction form
    5,389,898.11/7,438,172.22 = 2,942,612.31/x
  3. Step 3: Cross multiply
    5,389,898.11x = 7,438,172.22 × 2,942,612.31
  4. Step 4: Simplify right side
    5,389,898.11x = 21,887,657,138,472.03
  5. Step 5: Solve for x
    x = 21,887,657,138,472.03/5,389,898.11
  6. Step 6: Final answer
    x = 4,060,866.59

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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.