Home / 1,961,552.28-2,708,149.80-1,555,295.16

Finding the Fourth Proportional to 1,961,552.28, 2,708,149.80 and 1,555,295.16

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Solution

The fourth proportional to 1,961,552.28, 2,708,149.80 and 1,555,295.16 is: 2,147,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,552.28 : 2,708,149.80 = 1,555,295.16 : x
  2. Step 2: Convert to fraction form
    1,961,552.28/2,708,149.80 = 1,555,295.16/x
  3. Step 3: Cross multiply
    1,961,552.28x = 2,708,149.80 × 1,555,295.16
  4. Step 4: Simplify right side
    1,961,552.28x = 4,211,972,276,494.97
  5. Step 5: Solve for x
    x = 4,211,972,276,494.97/1,961,552.28
  6. Step 6: Final answer
    x = 2,147,264.86

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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.