Home / 2,642,508.80-3,963,763.20-2,201,609.60

Finding the Fourth Proportional to 2,642,508.80, 3,963,763.20 and 2,201,609.60

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Solution

The fourth proportional to 2,642,508.80, 3,963,763.20 and 2,201,609.60 is: 3,302,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,508.80 : 3,963,763.20 = 2,201,609.60 : x
  2. Step 2: Convert to fraction form
    2,642,508.80/3,963,763.20 = 2,201,609.60/x
  3. Step 3: Cross multiply
    2,642,508.80x = 3,963,763.20 × 2,201,609.60
  4. Step 4: Simplify right side
    2,642,508.80x = 8,726,659,113,246.72
  5. Step 5: Solve for x
    x = 8,726,659,113,246.72/2,642,508.80
  6. Step 6: Final answer
    x = 3,302,414.40

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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.