Home / 2,979,178.92-4,465,269.15-1,378,360.53

Finding the Fourth Proportional to 2,979,178.92, 4,465,269.15 and 1,378,360.53

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Solution

The fourth proportional to 2,979,178.92, 4,465,269.15 and 1,378,360.53 is: 2,065,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,178.92 : 4,465,269.15 = 1,378,360.53 : x
  2. Step 2: Convert to fraction form
    2,979,178.92/4,465,269.15 = 1,378,360.53/x
  3. Step 3: Cross multiply
    2,979,178.92x = 4,465,269.15 × 1,378,360.53
  4. Step 4: Simplify right side
    2,979,178.92x = 6,154,750,752,186.65
  5. Step 5: Solve for x
    x = 6,154,750,752,186.65/2,979,178.92
  6. Step 6: Final answer
    x = 2,065,921.83

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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.