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Finding the Fourth Proportional to 2,654,749.60, 3,983,679.60 and 972,023.20

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Solution

The fourth proportional to 2,654,749.60, 3,983,679.60 and 972,023.20 is: 1,458,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654,749.60 : 3,983,679.60 = 972,023.20 : x
  2. Step 2: Convert to fraction form
    2,654,749.60/3,983,679.60 = 972,023.20/x
  3. Step 3: Cross multiply
    2,654,749.60x = 3,983,679.60 × 972,023.20
  4. Step 4: Simplify right side
    2,654,749.60x = 3,872,228,992,566.72
  5. Step 5: Solve for x
    x = 3,872,228,992,566.72/2,654,749.60
  6. Step 6: Final answer
    x = 1,458,604.23

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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.