Home / 2,172,944.80-3,259,724.40-676,880.80

Finding the Fourth Proportional to 2,172,944.80, 3,259,724.40 and 676,880.80

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Solution

The fourth proportional to 2,172,944.80, 3,259,724.40 and 676,880.80 is: 1,015,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,944.80 : 3,259,724.40 = 676,880.80 : x
  2. Step 2: Convert to fraction form
    2,172,944.80/3,259,724.40 = 676,880.80/x
  3. Step 3: Cross multiply
    2,172,944.80x = 3,259,724.40 × 676,880.80
  4. Step 4: Simplify right side
    2,172,944.80x = 2,206,444,859,651.52
  5. Step 5: Solve for x
    x = 2,206,444,859,651.52/2,172,944.80
  6. Step 6: Final answer
    x = 1,015,416.89

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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.