Home / 2,018,517.40-3,024,348.60-1,218,117.12

Finding the Fourth Proportional to 2,018,517.40, 3,024,348.60 and 1,218,117.12

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Solution

The fourth proportional to 2,018,517.40, 3,024,348.60 and 1,218,117.12 is: 1,825,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,517.40 : 3,024,348.60 = 1,218,117.12 : x
  2. Step 2: Convert to fraction form
    2,018,517.40/3,024,348.60 = 1,218,117.12/x
  3. Step 3: Cross multiply
    2,018,517.40x = 3,024,348.60 × 1,218,117.12
  4. Step 4: Simplify right side
    2,018,517.40x = 3,684,010,806,508.03
  5. Step 5: Solve for x
    x = 3,684,010,806,508.03/2,018,517.40
  6. Step 6: Final answer
    x = 1,825,107.28

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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.