Home / 2,077,971.20-3,115,401.60-1,132,409.60

Finding the Fourth Proportional to 2,077,971.20, 3,115,401.60 and 1,132,409.60

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Solution

The fourth proportional to 2,077,971.20, 3,115,401.60 and 1,132,409.60 is: 1,697,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,971.20 : 3,115,401.60 = 1,132,409.60 : x
  2. Step 2: Convert to fraction form
    2,077,971.20/3,115,401.60 = 1,132,409.60/x
  3. Step 3: Cross multiply
    2,077,971.20x = 3,115,401.60 × 1,132,409.60
  4. Step 4: Simplify right side
    2,077,971.20x = 3,527,910,679,695.36
  5. Step 5: Solve for x
    x = 3,527,910,679,695.36/2,077,971.20
  6. Step 6: Final answer
    x = 1,697,766.88

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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.