Home / 2,819,340.60-3,890,691.68-1,530,180.98

Finding the Fourth Proportional to 2,819,340.60, 3,890,691.68 and 1,530,180.98

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Solution

The fourth proportional to 2,819,340.60, 3,890,691.68 and 1,530,180.98 is: 2,111,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,340.60 : 3,890,691.68 = 1,530,180.98 : x
  2. Step 2: Convert to fraction form
    2,819,340.60/3,890,691.68 = 1,530,180.98/x
  3. Step 3: Cross multiply
    2,819,340.60x = 3,890,691.68 × 1,530,180.98
  4. Step 4: Simplify right side
    2,819,340.60x = 5,953,462,380,675.88
  5. Step 5: Solve for x
    x = 5,953,462,380,675.88/2,819,340.60
  6. Step 6: Final answer
    x = 2,111,650.64

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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.