Home / 2,117,062.18-3,175,711.73-677,872.20

Finding the Fourth Proportional to 2,117,062.18, 3,175,711.73 and 677,872.20

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Solution

The fourth proportional to 2,117,062.18, 3,175,711.73 and 677,872.20 is: 1,016,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,062.18 : 3,175,711.73 = 677,872.20 : x
  2. Step 2: Convert to fraction form
    2,117,062.18/3,175,711.73 = 677,872.20/x
  3. Step 3: Cross multiply
    2,117,062.18x = 3,175,711.73 × 677,872.20
  4. Step 4: Simplify right side
    2,117,062.18x = 2,152,726,696,980.91
  5. Step 5: Solve for x
    x = 2,152,726,696,980.91/2,117,062.18
  6. Step 6: Final answer
    x = 1,016,846.23

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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.