Home / 2,195,989.28-3,029,385.12-1,381,181.12

Finding the Fourth Proportional to 2,195,989.28, 3,029,385.12 and 1,381,181.12

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Solution

The fourth proportional to 2,195,989.28, 3,029,385.12 and 1,381,181.12 is: 1,905,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,989.28 : 3,029,385.12 = 1,381,181.12 : x
  2. Step 2: Convert to fraction form
    2,195,989.28/3,029,385.12 = 1,381,181.12/x
  3. Step 3: Cross multiply
    2,195,989.28x = 3,029,385.12 × 1,381,181.12
  4. Step 4: Simplify right side
    2,195,989.28x = 4,184,129,532,952.94
  5. Step 5: Solve for x
    x = 4,184,129,532,952.94/2,195,989.28
  6. Step 6: Final answer
    x = 1,905,350.62

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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.