Home / 3,309,440.40-4,961,404.80-1,287,209.16

Finding the Fourth Proportional to 3,309,440.40, 4,961,404.80 and 1,287,209.16

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Solution

The fourth proportional to 3,309,440.40, 4,961,404.80 and 1,287,209.16 is: 1,929,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,440.40 : 4,961,404.80 = 1,287,209.16 : x
  2. Step 2: Convert to fraction form
    3,309,440.40/4,961,404.80 = 1,287,209.16/x
  3. Step 3: Cross multiply
    3,309,440.40x = 4,961,404.80 × 1,287,209.16
  4. Step 4: Simplify right side
    3,309,440.40x = 6,386,365,705,027.97
  5. Step 5: Solve for x
    x = 6,386,365,705,027.97/3,309,440.40
  6. Step 6: Final answer
    x = 1,929,741.87

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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.