Home / 2,187,207.11-3,018,275.25-1,193,736.89

Finding the Fourth Proportional to 2,187,207.11, 3,018,275.25 and 1,193,736.89

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Solution

The fourth proportional to 2,187,207.11, 3,018,275.25 and 1,193,736.89 is: 1,647,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,207.11 : 3,018,275.25 = 1,193,736.89 : x
  2. Step 2: Convert to fraction form
    2,187,207.11/3,018,275.25 = 1,193,736.89/x
  3. Step 3: Cross multiply
    2,187,207.11x = 3,018,275.25 × 1,193,736.89
  4. Step 4: Simplify right side
    2,187,207.11x = 3,603,026,510,098.97
  5. Step 5: Solve for x
    x = 3,603,026,510,098.97/2,187,207.11
  6. Step 6: Final answer
    x = 1,647,318.40

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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.