Home / 2,199,230.60-3,298,385.10-1,078,104.20

Finding the Fourth Proportional to 2,199,230.60, 3,298,385.10 and 1,078,104.20

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Solution

The fourth proportional to 2,199,230.60, 3,298,385.10 and 1,078,104.20 is: 1,616,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,230.60 : 3,298,385.10 = 1,078,104.20 : x
  2. Step 2: Convert to fraction form
    2,199,230.60/3,298,385.10 = 1,078,104.20/x
  3. Step 3: Cross multiply
    2,199,230.60x = 3,298,385.10 × 1,078,104.20
  4. Step 4: Simplify right side
    2,199,230.60x = 3,556,002,829,527.42
  5. Step 5: Solve for x
    x = 3,556,002,829,527.42/2,199,230.60
  6. Step 6: Final answer
    x = 1,616,930.41

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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.