Home / 3,215,209.68-4,436,829-1,857,001.68

Finding the Fourth Proportional to 3,215,209.68, 4,436,829 and 1,857,001.68

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Solution

The fourth proportional to 3,215,209.68, 4,436,829 and 1,857,001.68 is: 2,562,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,209.68 : 4,436,829 = 1,857,001.68 : x
  2. Step 2: Convert to fraction form
    3,215,209.68/4,436,829 = 1,857,001.68/x
  3. Step 3: Cross multiply
    3,215,209.68x = 4,436,829 × 1,857,001.68
  4. Step 4: Simplify right side
    3,215,209.68x = 8,239,198,906,872.72
  5. Step 5: Solve for x
    x = 8,239,198,906,872.72/3,215,209.68
  6. Step 6: Final answer
    x = 2,562,569.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.