Home / 2,575,241.60-3,862,843.20-778,121.60

Finding the Fourth Proportional to 2,575,241.60, 3,862,843.20 and 778,121.60

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Solution

The fourth proportional to 2,575,241.60, 3,862,843.20 and 778,121.60 is: 1,167,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,241.60 : 3,862,843.20 = 778,121.60 : x
  2. Step 2: Convert to fraction form
    2,575,241.60/3,862,843.20 = 778,121.60/x
  3. Step 3: Cross multiply
    2,575,241.60x = 3,862,843.20 × 778,121.60
  4. Step 4: Simplify right side
    2,575,241.60x = 3,005,761,731,333.12
  5. Step 5: Solve for x
    x = 3,005,761,731,333.12/2,575,241.60
  6. Step 6: Final answer
    x = 1,167,176.60

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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.