Home / 2,085,886.83-3,129,729.36-1,126,151.88

Finding the Fourth Proportional to 2,085,886.83, 3,129,729.36 and 1,126,151.88

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Solution

The fourth proportional to 2,085,886.83, 3,129,729.36 and 1,126,151.88 is: 1,689,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,886.83 : 3,129,729.36 = 1,126,151.88 : x
  2. Step 2: Convert to fraction form
    2,085,886.83/3,129,729.36 = 1,126,151.88/x
  3. Step 3: Cross multiply
    2,085,886.83x = 3,129,729.36 × 1,126,151.88
  4. Step 4: Simplify right side
    2,085,886.83x = 3,524,550,602,655.20
  5. Step 5: Solve for x
    x = 3,524,550,602,655.20/2,085,886.83
  6. Step 6: Final answer
    x = 1,689,713.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.