Home / 3,147,676.40-4,718,015.40-1,728,750.80

Finding the Fourth Proportional to 3,147,676.40, 4,718,015.40 and 1,728,750.80

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Solution

The fourth proportional to 3,147,676.40, 4,718,015.40 and 1,728,750.80 is: 2,591,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,676.40 : 4,718,015.40 = 1,728,750.80 : x
  2. Step 2: Convert to fraction form
    3,147,676.40/4,718,015.40 = 1,728,750.80/x
  3. Step 3: Cross multiply
    3,147,676.40x = 4,718,015.40 × 1,728,750.80
  4. Step 4: Simplify right side
    3,147,676.40x = 8,156,272,897,162.32
  5. Step 5: Solve for x
    x = 8,156,272,897,162.32/3,147,676.40
  6. Step 6: Final answer
    x = 2,591,204.39

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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.