Home / 3,309,987.60-4,964,981.40-1,180,141.20

Finding the Fourth Proportional to 3,309,987.60, 4,964,981.40 and 1,180,141.20

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Solution

The fourth proportional to 3,309,987.60, 4,964,981.40 and 1,180,141.20 is: 1,770,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,987.60 : 4,964,981.40 = 1,180,141.20 : x
  2. Step 2: Convert to fraction form
    3,309,987.60/4,964,981.40 = 1,180,141.20/x
  3. Step 3: Cross multiply
    3,309,987.60x = 4,964,981.40 × 1,180,141.20
  4. Step 4: Simplify right side
    3,309,987.60x = 5,859,379,107,373.68
  5. Step 5: Solve for x
    x = 5,859,379,107,373.68/3,309,987.60
  6. Step 6: Final answer
    x = 1,770,211.80

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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.