Home / 3,418,235.20-5,124,145.20-1,289,749.60

Finding the Fourth Proportional to 3,418,235.20, 5,124,145.20 and 1,289,749.60

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Solution

The fourth proportional to 3,418,235.20, 5,124,145.20 and 1,289,749.60 is: 1,933,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,235.20 : 5,124,145.20 = 1,289,749.60 : x
  2. Step 2: Convert to fraction form
    3,418,235.20/5,124,145.20 = 1,289,749.60/x
  3. Step 3: Cross multiply
    3,418,235.20x = 5,124,145.20 × 1,289,749.60
  4. Step 4: Simplify right side
    3,418,235.20x = 6,608,864,222,041.92
  5. Step 5: Solve for x
    x = 6,608,864,222,041.92/3,418,235.20
  6. Step 6: Final answer
    x = 1,933,414.13

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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.