Home / 4,921,211.70-7,382,854.35-2,079,861.30

Finding the Fourth Proportional to 4,921,211.70, 7,382,854.35 and 2,079,861.30

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Solution

The fourth proportional to 4,921,211.70, 7,382,854.35 and 2,079,861.30 is: 3,120,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,211.70 : 7,382,854.35 = 2,079,861.30 : x
  2. Step 2: Convert to fraction form
    4,921,211.70/7,382,854.35 = 2,079,861.30/x
  3. Step 3: Cross multiply
    4,921,211.70x = 7,382,854.35 × 2,079,861.30
  4. Step 4: Simplify right side
    4,921,211.70x = 15,355,313,046,101.65
  5. Step 5: Solve for x
    x = 15,355,313,046,101.65/4,921,211.70
  6. Step 6: Final answer
    x = 3,120,230.13

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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.