Home / 6,457,864-8,910,078.72-4,495,542.88

Finding the Fourth Proportional to 6,457,864, 8,910,078.72 and 4,495,542.88

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Solution

The fourth proportional to 6,457,864, 8,910,078.72 and 4,495,542.88 is: 6,202,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,864 : 8,910,078.72 = 4,495,542.88 : x
  2. Step 2: Convert to fraction form
    6,457,864/8,910,078.72 = 4,495,542.88/x
  3. Step 3: Cross multiply
    6,457,864x = 8,910,078.72 × 4,495,542.88
  4. Step 4: Simplify right side
    6,457,864x = 40,055,640,949,935.52
  5. Step 5: Solve for x
    x = 40,055,640,949,935.52/6,457,864
  6. Step 6: Final answer
    x = 6,202,614.51

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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.