Home / 4,929,747.89-7,393,931.51-1,691,231.81

Finding the Fourth Proportional to 4,929,747.89, 7,393,931.51 and 1,691,231.81

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Solution

The fourth proportional to 4,929,747.89, 7,393,931.51 and 1,691,231.81 is: 2,536,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929,747.89 : 7,393,931.51 = 1,691,231.81 : x
  2. Step 2: Convert to fraction form
    4,929,747.89/7,393,931.51 = 1,691,231.81/x
  3. Step 3: Cross multiply
    4,929,747.89x = 7,393,931.51 × 1,691,231.81
  4. Step 4: Simplify right side
    4,929,747.89x = 12,504,852,125,247.52
  5. Step 5: Solve for x
    x = 12,504,852,125,247.52/4,929,747.89
  6. Step 6: Final answer
    x = 2,536,610.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.