Home / 2,102,463.54-3,149,114.72-1,381,991.92

Finding the Fourth Proportional to 2,102,463.54, 3,149,114.72 and 1,381,991.92

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Solution

The fourth proportional to 2,102,463.54, 3,149,114.72 and 1,381,991.92 is: 2,069,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,463.54 : 3,149,114.72 = 1,381,991.92 : x
  2. Step 2: Convert to fraction form
    2,102,463.54/3,149,114.72 = 1,381,991.92/x
  3. Step 3: Cross multiply
    2,102,463.54x = 3,149,114.72 × 1,381,991.92
  4. Step 4: Simplify right side
    2,102,463.54x = 4,352,051,083,410.32
  5. Step 5: Solve for x
    x = 4,352,051,083,410.32/2,102,463.54
  6. Step 6: Final answer
    x = 2,069,976.96

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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.