Home / 2,668,721.76-4,002,482.25-1,228,023.18

Finding the Fourth Proportional to 2,668,721.76, 4,002,482.25 and 1,228,023.18

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Solution

The fourth proportional to 2,668,721.76, 4,002,482.25 and 1,228,023.18 is: 1,841,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,721.76 : 4,002,482.25 = 1,228,023.18 : x
  2. Step 2: Convert to fraction form
    2,668,721.76/4,002,482.25 = 1,228,023.18/x
  3. Step 3: Cross multiply
    2,668,721.76x = 4,002,482.25 × 1,228,023.18
  4. Step 4: Simplify right side
    2,668,721.76x = 4,915,140,980,538.56
  5. Step 5: Solve for x
    x = 4,915,140,980,538.56/2,668,721.76
  6. Step 6: Final answer
    x = 1,841,758.50

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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.