Home / 2,689,188.65-3,711,081.11-1,465,494.51

Finding the Fourth Proportional to 2,689,188.65, 3,711,081.11 and 1,465,494.51

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Solution

The fourth proportional to 2,689,188.65, 3,711,081.11 and 1,465,494.51 is: 2,022,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,188.65 : 3,711,081.11 = 1,465,494.51 : x
  2. Step 2: Convert to fraction form
    2,689,188.65/3,711,081.11 = 1,465,494.51/x
  3. Step 3: Cross multiply
    2,689,188.65x = 3,711,081.11 × 1,465,494.51
  4. Step 4: Simplify right side
    2,689,188.65x = 5,438,568,985,542.23
  5. Step 5: Solve for x
    x = 5,438,568,985,542.23/2,689,188.65
  6. Step 6: Final answer
    x = 2,022,382.85

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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.