Home / 3,144,944.40-4,338,657.12-1,998,409.56

Finding the Fourth Proportional to 3,144,944.40, 4,338,657.12 and 1,998,409.56

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Solution

The fourth proportional to 3,144,944.40, 4,338,657.12 and 1,998,409.56 is: 2,756,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144,944.40 : 4,338,657.12 = 1,998,409.56 : x
  2. Step 2: Convert to fraction form
    3,144,944.40/4,338,657.12 = 1,998,409.56/x
  3. Step 3: Cross multiply
    3,144,944.40x = 4,338,657.12 × 1,998,409.56
  4. Step 4: Simplify right side
    3,144,944.40x = 8,670,413,866,170.07
  5. Step 5: Solve for x
    x = 8,670,413,866,170.07/3,144,944.40
  6. Step 6: Final answer
    x = 2,756,937.09

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1.5x scale

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.