Home / 2,158,040.40-2,976,267.40-1,298,440.04

Finding the Fourth Proportional to 2,158,040.40, 2,976,267.40 and 1,298,440.04

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Solution

The fourth proportional to 2,158,040.40, 2,976,267.40 and 1,298,440.04 is: 1,790,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,040.40 : 2,976,267.40 = 1,298,440.04 : x
  2. Step 2: Convert to fraction form
    2,158,040.40/2,976,267.40 = 1,298,440.04/x
  3. Step 3: Cross multiply
    2,158,040.40x = 2,976,267.40 × 1,298,440.04
  4. Step 4: Simplify right side
    2,158,040.40x = 3,864,504,761,906.70
  5. Step 5: Solve for x
    x = 3,864,504,761,906.70/2,158,040.40
  6. Step 6: Final answer
    x = 1,790,747.18

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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.