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Finding the Fourth Proportional to 2,668,729, 4,003,508.22 and 896,215.72

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Solution

The fourth proportional to 2,668,729, 4,003,508.22 and 896,215.72 is: 1,344,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,729 : 4,003,508.22 = 896,215.72 : x
  2. Step 2: Convert to fraction form
    2,668,729/4,003,508.22 = 896,215.72/x
  3. Step 3: Cross multiply
    2,668,729x = 4,003,508.22 × 896,215.72
  4. Step 4: Simplify right side
    2,668,729x = 3,588,007,001,913.22
  5. Step 5: Solve for x
    x = 3,588,007,001,913.22/2,668,729
  6. Step 6: Final answer
    x = 1,344,462.85

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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.