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Finding the Fourth Proportional to 3,286,074.84, 4,929,672.84 and 1,465,100.52

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Solution

The fourth proportional to 3,286,074.84, 4,929,672.84 and 1,465,100.52 is: 2,197,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,074.84 : 4,929,672.84 = 1,465,100.52 : x
  2. Step 2: Convert to fraction form
    3,286,074.84/4,929,672.84 = 1,465,100.52/x
  3. Step 3: Cross multiply
    3,286,074.84x = 4,929,672.84 × 1,465,100.52
  4. Step 4: Simplify right side
    3,286,074.84x = 7,222,466,241,313.88
  5. Step 5: Solve for x
    x = 7,222,466,241,313.88/3,286,074.84
  6. Step 6: Final answer
    x = 2,197,900.72

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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.