Home / 2,279,671.76-3,425,711.16-1,215,465.68

Finding the Fourth Proportional to 2,279,671.76, 3,425,711.16 and 1,215,465.68

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Solution

The fourth proportional to 2,279,671.76, 3,425,711.16 and 1,215,465.68 is: 1,826,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,671.76 : 3,425,711.16 = 1,215,465.68 : x
  2. Step 2: Convert to fraction form
    2,279,671.76/3,425,711.16 = 1,215,465.68/x
  3. Step 3: Cross multiply
    2,279,671.76x = 3,425,711.16 × 1,215,465.68
  4. Step 4: Simplify right side
    2,279,671.76x = 4,163,834,344,572.99
  5. Step 5: Solve for x
    x = 4,163,834,344,572.99/2,279,671.76
  6. Step 6: Final answer
    x = 1,826,506.09

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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.