Home / 5,178,672.20-7,768,008.30-3,293,769.80

Finding the Fourth Proportional to 5,178,672.20, 7,768,008.30 and 3,293,769.80

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Solution

The fourth proportional to 5,178,672.20, 7,768,008.30 and 3,293,769.80 is: 4,940,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,672.20 : 7,768,008.30 = 3,293,769.80 : x
  2. Step 2: Convert to fraction form
    5,178,672.20/7,768,008.30 = 3,293,769.80/x
  3. Step 3: Cross multiply
    5,178,672.20x = 7,768,008.30 × 3,293,769.80
  4. Step 4: Simplify right side
    5,178,672.20x = 25,586,031,144,689.34
  5. Step 5: Solve for x
    x = 25,586,031,144,689.34/5,178,672.20
  6. Step 6: Final answer
    x = 4,940,654.70

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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.