Home / 2,129,604.20-3,193,239.90-866,004.20

Finding the Fourth Proportional to 2,129,604.20, 3,193,239.90 and 866,004.20

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Solution

The fourth proportional to 2,129,604.20, 3,193,239.90 and 866,004.20 is: 1,298,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,604.20 : 3,193,239.90 = 866,004.20 : x
  2. Step 2: Convert to fraction form
    2,129,604.20/3,193,239.90 = 866,004.20/x
  3. Step 3: Cross multiply
    2,129,604.20x = 3,193,239.90 × 866,004.20
  4. Step 4: Simplify right side
    2,129,604.20x = 2,765,359,165,007.58
  5. Step 5: Solve for x
    x = 2,765,359,165,007.58/2,129,604.20
  6. Step 6: Final answer
    x = 1,298,531.98

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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.