Home / 1,660,589.92-2,291,987.10-1,087,296.76

Finding the Fourth Proportional to 1,660,589.92, 2,291,987.10 and 1,087,296.76

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Solution

The fourth proportional to 1,660,589.92, 2,291,987.10 and 1,087,296.76 is: 1,500,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,589.92 : 2,291,987.10 = 1,087,296.76 : x
  2. Step 2: Convert to fraction form
    1,660,589.92/2,291,987.10 = 1,087,296.76/x
  3. Step 3: Cross multiply
    1,660,589.92x = 2,291,987.10 × 1,087,296.76
  4. Step 4: Simplify right side
    1,660,589.92x = 2,492,070,147,791.80
  5. Step 5: Solve for x
    x = 2,492,070,147,791.80/1,660,589.92
  6. Step 6: Final answer
    x = 1,500,713.76

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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.