Home / 2,281,514.40-3,422,271.60-861,616.80

Finding the Fourth Proportional to 2,281,514.40, 3,422,271.60 and 861,616.80

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Solution

The fourth proportional to 2,281,514.40, 3,422,271.60 and 861,616.80 is: 1,292,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,514.40 : 3,422,271.60 = 861,616.80 : x
  2. Step 2: Convert to fraction form
    2,281,514.40/3,422,271.60 = 861,616.80/x
  3. Step 3: Cross multiply
    2,281,514.40x = 3,422,271.60 × 861,616.80
  4. Step 4: Simplify right side
    2,281,514.40x = 2,948,686,704,722.88
  5. Step 5: Solve for x
    x = 2,948,686,704,722.88/2,281,514.40
  6. Step 6: Final answer
    x = 1,292,425.20

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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.