Home / 2,987,416.27-4,481,117.56-1,280,452.75

Finding the Fourth Proportional to 2,987,416.27, 4,481,117.56 and 1,280,452.75

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Solution

The fourth proportional to 2,987,416.27, 4,481,117.56 and 1,280,452.75 is: 1,920,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,416.27 : 4,481,117.56 = 1,280,452.75 : x
  2. Step 2: Convert to fraction form
    2,987,416.27/4,481,117.56 = 1,280,452.75/x
  3. Step 3: Cross multiply
    2,987,416.27x = 4,481,117.56 × 1,280,452.75
  4. Step 4: Simplify right side
    2,987,416.27x = 5,737,859,302,775.29
  5. Step 5: Solve for x
    x = 5,737,859,302,775.29/2,987,416.27
  6. Step 6: Final answer
    x = 1,920,676.19

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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.