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Finding the Fourth Proportional to 2,799,736.62, 4,200,272.37 and 906,478.62

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Solution

The fourth proportional to 2,799,736.62, 4,200,272.37 and 906,478.62 is: 1,359,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,736.62 : 4,200,272.37 = 906,478.62 : x
  2. Step 2: Convert to fraction form
    2,799,736.62/4,200,272.37 = 906,478.62/x
  3. Step 3: Cross multiply
    2,799,736.62x = 4,200,272.37 × 906,478.62
  4. Step 4: Simplify right side
    2,799,736.62x = 3,807,457,101,581.73
  5. Step 5: Solve for x
    x = 3,807,457,101,581.73/2,799,736.62
  6. Step 6: Final answer
    x = 1,359,934.03

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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.