Home / 2,819,475.88-4,229,177.34-689,577.64

Finding the Fourth Proportional to 2,819,475.88, 4,229,177.34 and 689,577.64

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Solution

The fourth proportional to 2,819,475.88, 4,229,177.34 and 689,577.64 is: 1,034,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,475.88 : 4,229,177.34 = 689,577.64 : x
  2. Step 2: Convert to fraction form
    2,819,475.88/4,229,177.34 = 689,577.64/x
  3. Step 3: Cross multiply
    2,819,475.88x = 4,229,177.34 × 689,577.64
  4. Step 4: Simplify right side
    2,819,475.88x = 2,916,346,129,258.68
  5. Step 5: Solve for x
    x = 2,916,346,129,258.68/2,819,475.88
  6. Step 6: Final answer
    x = 1,034,357.54

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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.