Home / 6,361,461.28-8,781,865.69-3,916,168.38

Finding the Fourth Proportional to 6,361,461.28, 8,781,865.69 and 3,916,168.38

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Solution

The fourth proportional to 6,361,461.28, 8,781,865.69 and 3,916,168.38 is: 5,406,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361,461.28 : 8,781,865.69 = 3,916,168.38 : x
  2. Step 2: Convert to fraction form
    6,361,461.28/8,781,865.69 = 3,916,168.38/x
  3. Step 3: Cross multiply
    6,361,461.28x = 8,781,865.69 × 3,916,168.38
  4. Step 4: Simplify right side
    6,361,461.28x = 34,391,264,722,794.46
  5. Step 5: Solve for x
    x = 34,391,264,722,794.46/6,361,461.28
  6. Step 6: Final answer
    x = 5,406,189.43

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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.