Home / 5,379,881.68-7,424,013.28-2,932,438.88

Finding the Fourth Proportional to 5,379,881.68, 7,424,013.28 and 2,932,438.88

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Solution

The fourth proportional to 5,379,881.68, 7,424,013.28 and 2,932,438.88 is: 4,046,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,881.68 : 7,424,013.28 = 2,932,438.88 : x
  2. Step 2: Convert to fraction form
    5,379,881.68/7,424,013.28 = 2,932,438.88/x
  3. Step 3: Cross multiply
    5,379,881.68x = 7,424,013.28 × 2,932,438.88
  4. Step 4: Simplify right side
    5,379,881.68x = 21,770,465,187,908.33
  5. Step 5: Solve for x
    x = 21,770,465,187,908.33/5,379,881.68
  6. Step 6: Final answer
    x = 4,046,643.86

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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.