Home / 2,135,922.30-2,947,550.24-1,155,839.85

Finding the Fourth Proportional to 2,135,922.30, 2,947,550.24 and 1,155,839.85

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Solution

The fourth proportional to 2,135,922.30, 2,947,550.24 and 1,155,839.85 is: 1,595,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,922.30 : 2,947,550.24 = 1,155,839.85 : x
  2. Step 2: Convert to fraction form
    2,135,922.30/2,947,550.24 = 1,155,839.85/x
  3. Step 3: Cross multiply
    2,135,922.30x = 2,947,550.24 × 1,155,839.85
  4. Step 4: Simplify right side
    2,135,922.30x = 3,406,896,030,158.66
  5. Step 5: Solve for x
    x = 3,406,896,030,158.66/2,135,922.30
  6. Step 6: Final answer
    x = 1,595,046.80

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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.