Home / 3,936,473.76-5,432,353.20-2,217,621.36

Finding the Fourth Proportional to 3,936,473.76, 5,432,353.20 and 2,217,621.36

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Solution

The fourth proportional to 3,936,473.76, 5,432,353.20 and 2,217,621.36 is: 3,060,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,473.76 : 5,432,353.20 = 2,217,621.36 : x
  2. Step 2: Convert to fraction form
    3,936,473.76/5,432,353.20 = 2,217,621.36/x
  3. Step 3: Cross multiply
    3,936,473.76x = 5,432,353.20 × 2,217,621.36
  4. Step 4: Simplify right side
    3,936,473.76x = 12,046,902,491,384.35
  5. Step 5: Solve for x
    x = 12,046,902,491,384.35/3,936,473.76
  6. Step 6: Final answer
    x = 3,060,328.41

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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.