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Finding the Fourth Proportional to 2,668,659, 4,003,403.22 and 896,145.72

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Solution

The fourth proportional to 2,668,659, 4,003,403.22 and 896,145.72 is: 1,344,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,659 : 4,003,403.22 = 896,145.72 : x
  2. Step 2: Convert to fraction form
    2,668,659/4,003,403.22 = 896,145.72/x
  3. Step 3: Cross multiply
    2,668,659x = 4,003,403.22 × 896,145.72
  4. Step 4: Simplify right side
    2,668,659x = 3,587,632,661,037.22
  5. Step 5: Solve for x
    x = 3,587,632,661,037.22/2,668,659
  6. Step 6: Final answer
    x = 1,344,357.84

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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.