Home / 5,160,255.76-7,696,847.18-4,480,995.43

Finding the Fourth Proportional to 5,160,255.76, 7,696,847.18 and 4,480,995.43

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Solution

The fourth proportional to 5,160,255.76, 7,696,847.18 and 4,480,995.43 is: 6,683,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,255.76 : 7,696,847.18 = 4,480,995.43 : x
  2. Step 2: Convert to fraction form
    5,160,255.76/7,696,847.18 = 4,480,995.43/x
  3. Step 3: Cross multiply
    5,160,255.76x = 7,696,847.18 × 4,480,995.43
  4. Step 4: Simplify right side
    5,160,255.76x = 34,489,536,978,099.17
  5. Step 5: Solve for x
    x = 34,489,536,978,099.17/5,160,255.76
  6. Step 6: Final answer
    x = 6,683,687.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.