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Finding the Fourth Proportional to 2,668,047, 4,002,080.63 and 646,287

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Solution

The fourth proportional to 2,668,047, 4,002,080.63 and 646,287 is: 969,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,047 : 4,002,080.63 = 646,287 : x
  2. Step 2: Convert to fraction form
    2,668,047/4,002,080.63 = 646,287/x
  3. Step 3: Cross multiply
    2,668,047x = 4,002,080.63 × 646,287
  4. Step 4: Simplify right side
    2,668,047x = 2,586,492,680,889.38
  5. Step 5: Solve for x
    x = 2,586,492,680,889.38/2,668,047
  6. Step 6: Final answer
    x = 969,432.95

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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.