Home / 5,389,778.27-7,438,006.58-2,942,492.47

Finding the Fourth Proportional to 5,389,778.27, 7,438,006.58 and 2,942,492.47

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Solution

The fourth proportional to 5,389,778.27, 7,438,006.58 and 2,942,492.47 is: 4,060,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,778.27 : 7,438,006.58 = 2,942,492.47 : x
  2. Step 2: Convert to fraction form
    5,389,778.27/7,438,006.58 = 2,942,492.47/x
  3. Step 3: Cross multiply
    5,389,778.27x = 7,438,006.58 × 2,942,492.47
  4. Step 4: Simplify right side
    5,389,778.27x = 21,886,278,320,152.97
  5. Step 5: Solve for x
    x = 21,886,278,320,152.97/5,389,778.27
  6. Step 6: Final answer
    x = 4,060,701.06

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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.