Home / 2,077,217.20-3,115,595.40-1,702,586.80

Finding the Fourth Proportional to 2,077,217.20, 3,115,595.40 and 1,702,586.80

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Solution

The fourth proportional to 2,077,217.20, 3,115,595.40 and 1,702,586.80 is: 2,553,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,217.20 : 3,115,595.40 = 1,702,586.80 : x
  2. Step 2: Convert to fraction form
    2,077,217.20/3,115,595.40 = 1,702,586.80/x
  3. Step 3: Cross multiply
    2,077,217.20x = 3,115,595.40 × 1,702,586.80
  4. Step 4: Simplify right side
    2,077,217.20x = 5,304,571,602,180.72
  5. Step 5: Solve for x
    x = 5,304,571,602,180.72/2,077,217.20
  6. Step 6: Final answer
    x = 2,553,691.35

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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.