Home / 2,542,520.67-3,508,704.35-1,380,978.20

Finding the Fourth Proportional to 2,542,520.67, 3,508,704.35 and 1,380,978.20

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Solution

The fourth proportional to 2,542,520.67, 3,508,704.35 and 1,380,978.20 is: 1,905,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,520.67 : 3,508,704.35 = 1,380,978.20 : x
  2. Step 2: Convert to fraction form
    2,542,520.67/3,508,704.35 = 1,380,978.20/x
  3. Step 3: Cross multiply
    2,542,520.67x = 3,508,704.35 × 1,380,978.20
  4. Step 4: Simplify right side
    2,542,520.67x = 4,845,444,193,146.76
  5. Step 5: Solve for x
    x = 4,845,444,193,146.76/2,542,520.67
  6. Step 6: Final answer
    x = 1,905,763.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.