Home / 2,974,012.80-4,458,511.44-1,289,847.84

Finding the Fourth Proportional to 2,974,012.80, 4,458,511.44 and 1,289,847.84

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Solution

The fourth proportional to 2,974,012.80, 4,458,511.44 and 1,289,847.84 is: 1,933,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974,012.80 : 4,458,511.44 = 1,289,847.84 : x
  2. Step 2: Convert to fraction form
    2,974,012.80/4,458,511.44 = 1,289,847.84/x
  3. Step 3: Cross multiply
    2,974,012.80x = 4,458,511.44 × 1,289,847.84
  4. Step 4: Simplify right side
    2,974,012.80x = 5,750,801,350,499.29
  5. Step 5: Solve for x
    x = 5,750,801,350,499.29/2,974,012.80
  6. Step 6: Final answer
    x = 1,933,684.13

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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.