Home / 3,156,388.50-4,356,243-1,780,015.44

Finding the Fourth Proportional to 3,156,388.50, 4,356,243 and 1,780,015.44

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Solution

The fourth proportional to 3,156,388.50, 4,356,243 and 1,780,015.44 is: 2,456,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,388.50 : 4,356,243 = 1,780,015.44 : x
  2. Step 2: Convert to fraction form
    3,156,388.50/4,356,243 = 1,780,015.44/x
  3. Step 3: Cross multiply
    3,156,388.50x = 4,356,243 × 1,780,015.44
  4. Step 4: Simplify right side
    3,156,388.50x = 7,754,179,800,391.92
  5. Step 5: Solve for x
    x = 7,754,179,800,391.92/3,156,388.50
  6. Step 6: Final answer
    x = 2,456,662.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.