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Finding the Fourth Proportional to 2,894,728.56, 3,995,203.74 and 1,605,984.14

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Solution

The fourth proportional to 2,894,728.56, 3,995,203.74 and 1,605,984.14 is: 2,216,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,728.56 : 3,995,203.74 = 1,605,984.14 : x
  2. Step 2: Convert to fraction form
    2,894,728.56/3,995,203.74 = 1,605,984.14/x
  3. Step 3: Cross multiply
    2,894,728.56x = 3,995,203.74 × 1,605,984.14
  4. Step 4: Simplify right side
    2,894,728.56x = 6,416,233,842,508.68
  5. Step 5: Solve for x
    x = 6,416,233,842,508.68/2,894,728.56
  6. Step 6: Final answer
    x = 2,216,523.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.