Home / 2,672,044.28-3,687,815.06-1,692,072.76

Finding the Fourth Proportional to 2,672,044.28, 3,687,815.06 and 1,692,072.76

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Solution

The fourth proportional to 2,672,044.28, 3,687,815.06 and 1,692,072.76 is: 2,335,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,044.28 : 3,687,815.06 = 1,692,072.76 : x
  2. Step 2: Convert to fraction form
    2,672,044.28/3,687,815.06 = 1,692,072.76/x
  3. Step 3: Cross multiply
    2,672,044.28x = 3,687,815.06 × 1,692,072.76
  4. Step 4: Simplify right side
    2,672,044.28x = 6,240,051,406,943.77
  5. Step 5: Solve for x
    x = 6,240,051,406,943.77/2,672,044.28
  6. Step 6: Final answer
    x = 2,335,309.88

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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.