Home / 3,620,617.50-5,431,625.61-1,376,581.02

Finding the Fourth Proportional to 3,620,617.50, 5,431,625.61 and 1,376,581.02

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Solution

The fourth proportional to 3,620,617.50, 5,431,625.61 and 1,376,581.02 is: 2,065,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,617.50 : 5,431,625.61 = 1,376,581.02 : x
  2. Step 2: Convert to fraction form
    3,620,617.50/5,431,625.61 = 1,376,581.02/x
  3. Step 3: Cross multiply
    3,620,617.50x = 5,431,625.61 × 1,376,581.02
  4. Step 4: Simplify right side
    3,620,617.50x = 7,477,072,722,471.92
  5. Step 5: Solve for x
    x = 7,477,072,722,471.92/3,620,617.50
  6. Step 6: Final answer
    x = 2,065,137.43

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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.