Home / 3,178,477.68-4,767,610.92-1,381,362.96

Finding the Fourth Proportional to 3,178,477.68, 4,767,610.92 and 1,381,362.96

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Solution

The fourth proportional to 3,178,477.68, 4,767,610.92 and 1,381,362.96 is: 2,071,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,477.68 : 4,767,610.92 = 1,381,362.96 : x
  2. Step 2: Convert to fraction form
    3,178,477.68/4,767,610.92 = 1,381,362.96/x
  3. Step 3: Cross multiply
    3,178,477.68x = 4,767,610.92 × 1,381,362.96
  4. Step 4: Simplify right side
    3,178,477.68x = 6,585,801,132,579.52
  5. Step 5: Solve for x
    x = 6,585,801,132,579.52/3,178,477.68
  6. Step 6: Final answer
    x = 2,071,998.55

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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.