Home / 3,218,472.60-4,828,356.90-943,992.60

Finding the Fourth Proportional to 3,218,472.60, 4,828,356.90 and 943,992.60

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Solution

The fourth proportional to 3,218,472.60, 4,828,356.90 and 943,992.60 is: 1,416,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,472.60 : 4,828,356.90 = 943,992.60 : x
  2. Step 2: Convert to fraction form
    3,218,472.60/4,828,356.90 = 943,992.60/x
  3. Step 3: Cross multiply
    3,218,472.60x = 4,828,356.90 × 943,992.60
  4. Step 4: Simplify right side
    3,218,472.60x = 4,557,933,183,758.94
  5. Step 5: Solve for x
    x = 4,557,933,183,758.94/3,218,472.60
  6. Step 6: Final answer
    x = 1,416,178.96

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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.