Home / 2,086,515.72-3,129,851.34-738,820.44

Finding the Fourth Proportional to 2,086,515.72, 3,129,851.34 and 738,820.44

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Solution

The fourth proportional to 2,086,515.72, 3,129,851.34 and 738,820.44 is: 1,108,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,515.72 : 3,129,851.34 = 738,820.44 : x
  2. Step 2: Convert to fraction form
    2,086,515.72/3,129,851.34 = 738,820.44/x
  3. Step 3: Cross multiply
    2,086,515.72x = 3,129,851.34 × 738,820.44
  4. Step 4: Simplify right side
    2,086,515.72x = 2,312,398,144,153.39
  5. Step 5: Solve for x
    x = 2,312,398,144,153.39/2,086,515.72
  6. Step 6: Final answer
    x = 1,108,258.19

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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.