Home / 3,005,146.38-4,146,893.20-1,781,388.66

Finding the Fourth Proportional to 3,005,146.38, 4,146,893.20 and 1,781,388.66

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Solution

The fourth proportional to 3,005,146.38, 4,146,893.20 and 1,781,388.66 is: 2,458,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,146.38 : 4,146,893.20 = 1,781,388.66 : x
  2. Step 2: Convert to fraction form
    3,005,146.38/4,146,893.20 = 1,781,388.66/x
  3. Step 3: Cross multiply
    3,005,146.38x = 4,146,893.20 × 1,781,388.66
  4. Step 4: Simplify right side
    3,005,146.38x = 7,387,228,520,711.11
  5. Step 5: Solve for x
    x = 7,387,228,520,711.11/3,005,146.38
  6. Step 6: Final answer
    x = 2,458,192.58

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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.