Home / 1,879,676.41-2,820,121.82-869,461.04

Finding the Fourth Proportional to 1,879,676.41, 2,820,121.82 and 869,461.04

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Solution

The fourth proportional to 1,879,676.41, 2,820,121.82 and 869,461.04 is: 1,304,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,676.41 : 2,820,121.82 = 869,461.04 : x
  2. Step 2: Convert to fraction form
    1,879,676.41/2,820,121.82 = 869,461.04/x
  3. Step 3: Cross multiply
    1,879,676.41x = 2,820,121.82 × 869,461.04
  4. Step 4: Simplify right side
    1,879,676.41x = 2,451,986,056,617.17
  5. Step 5: Solve for x
    x = 2,451,986,056,617.17/1,879,676.41
  6. Step 6: Final answer
    x = 1,304,472.43

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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.