Home / 2,575,489.60-3,863,061.60-682,190.40

Finding the Fourth Proportional to 2,575,489.60, 3,863,061.60 and 682,190.40

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Solution

The fourth proportional to 2,575,489.60, 3,863,061.60 and 682,190.40 is: 1,023,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,489.60 : 3,863,061.60 = 682,190.40 : x
  2. Step 2: Convert to fraction form
    2,575,489.60/3,863,061.60 = 682,190.40/x
  3. Step 3: Cross multiply
    2,575,489.60x = 3,863,061.60 × 682,190.40
  4. Step 4: Simplify right side
    2,575,489.60x = 2,635,343,538,128.64
  5. Step 5: Solve for x
    x = 2,635,343,538,128.64/2,575,489.60
  6. Step 6: Final answer
    x = 1,023,239.83

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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.