Home / 1,985,272.92-2,740,163.31-1,126,335.96

Finding the Fourth Proportional to 1,985,272.92, 2,740,163.31 and 1,126,335.96

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Solution

The fourth proportional to 1,985,272.92, 2,740,163.31 and 1,126,335.96 is: 1,554,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,272.92 : 2,740,163.31 = 1,126,335.96 : x
  2. Step 2: Convert to fraction form
    1,985,272.92/2,740,163.31 = 1,126,335.96/x
  3. Step 3: Cross multiply
    1,985,272.92x = 2,740,163.31 × 1,126,335.96
  4. Step 4: Simplify right side
    1,985,272.92x = 3,086,344,472,325.63
  5. Step 5: Solve for x
    x = 3,086,344,472,325.63/1,985,272.92
  6. Step 6: Final answer
    x = 1,554,619.74

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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.