Home / 4,138,042.60-6,207,071.10-1,298,372.68

Finding the Fourth Proportional to 4,138,042.60, 6,207,071.10 and 1,298,372.68

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Solution

The fourth proportional to 4,138,042.60, 6,207,071.10 and 1,298,372.68 is: 1,947,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,042.60 : 6,207,071.10 = 1,298,372.68 : x
  2. Step 2: Convert to fraction form
    4,138,042.60/6,207,071.10 = 1,298,372.68/x
  3. Step 3: Cross multiply
    4,138,042.60x = 6,207,071.10 × 1,298,372.68
  4. Step 4: Simplify right side
    4,138,042.60x = 8,059,091,539,057.55
  5. Step 5: Solve for x
    x = 8,059,091,539,057.55/4,138,042.60
  6. Step 6: Final answer
    x = 1,947,561.28

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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.