Home / 1,738,138.40-2,607,207.60-1,612,167.20

Finding the Fourth Proportional to 1,738,138.40, 2,607,207.60 and 1,612,167.20

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Solution

The fourth proportional to 1,738,138.40, 2,607,207.60 and 1,612,167.20 is: 2,418,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,138.40 : 2,607,207.60 = 1,612,167.20 : x
  2. Step 2: Convert to fraction form
    1,738,138.40/2,607,207.60 = 1,612,167.20/x
  3. Step 3: Cross multiply
    1,738,138.40x = 2,607,207.60 × 1,612,167.20
  4. Step 4: Simplify right side
    1,738,138.40x = 4,203,254,576,310.72
  5. Step 5: Solve for x
    x = 4,203,254,576,310.72/1,738,138.40
  6. Step 6: Final answer
    x = 2,418,250.80

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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.