Home / 3,367,461.38-4,647,100.92-1,917,156.79

Finding the Fourth Proportional to 3,367,461.38, 4,647,100.92 and 1,917,156.79

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Solution

The fourth proportional to 3,367,461.38, 4,647,100.92 and 1,917,156.79 is: 2,645,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367,461.38 : 4,647,100.92 = 1,917,156.79 : x
  2. Step 2: Convert to fraction form
    3,367,461.38/4,647,100.92 = 1,917,156.79/x
  3. Step 3: Cross multiply
    3,367,461.38x = 4,647,100.92 × 1,917,156.79
  4. Step 4: Simplify right side
    3,367,461.38x = 8,909,221,059,357.74
  5. Step 5: Solve for x
    x = 8,909,221,059,357.74/3,367,461.38
  6. Step 6: Final answer
    x = 2,645,678.76

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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.