Home / 3,438,997.20-5,164,003.80-2,734,880.40

Finding the Fourth Proportional to 3,438,997.20, 5,164,003.80 and 2,734,880.40

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Solution

The fourth proportional to 3,438,997.20, 5,164,003.80 and 2,734,880.40 is: 4,106,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,997.20 : 5,164,003.80 = 2,734,880.40 : x
  2. Step 2: Convert to fraction form
    3,438,997.20/5,164,003.80 = 2,734,880.40/x
  3. Step 3: Cross multiply
    3,438,997.20x = 5,164,003.80 × 2,734,880.40
  4. Step 4: Simplify right side
    3,438,997.20x = 14,122,932,778,145.52
  5. Step 5: Solve for x
    x = 14,122,932,778,145.52/3,438,997.20
  6. Step 6: Final answer
    x = 4,106,700.87

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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.