Home / 3,219,781.40-4,829,672.12-1,726,789.40

Finding the Fourth Proportional to 3,219,781.40, 4,829,672.12 and 1,726,789.40

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Solution

The fourth proportional to 3,219,781.40, 4,829,672.12 and 1,726,789.40 is: 2,590,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,781.40 : 4,829,672.12 = 1,726,789.40 : x
  2. Step 2: Convert to fraction form
    3,219,781.40/4,829,672.12 = 1,726,789.40/x
  3. Step 3: Cross multiply
    3,219,781.40x = 4,829,672.12 × 1,726,789.40
  4. Step 4: Simplify right side
    3,219,781.40x = 8,339,826,622,291.53
  5. Step 5: Solve for x
    x = 8,339,826,622,291.53/3,219,781.40
  6. Step 6: Final answer
    x = 2,590,184.11

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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.