Home / 2,153,974.04-2,972,990.72-1,338,793.38

Finding the Fourth Proportional to 2,153,974.04, 2,972,990.72 and 1,338,793.38

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Solution

The fourth proportional to 2,153,974.04, 2,972,990.72 and 1,338,793.38 is: 1,847,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,974.04 : 2,972,990.72 = 1,338,793.38 : x
  2. Step 2: Convert to fraction form
    2,153,974.04/2,972,990.72 = 1,338,793.38/x
  3. Step 3: Cross multiply
    2,153,974.04x = 2,972,990.72 × 1,338,793.38
  4. Step 4: Simplify right side
    2,153,974.04x = 3,980,220,288,043.47
  5. Step 5: Solve for x
    x = 3,980,220,288,043.47/2,153,974.04
  6. Step 6: Final answer
    x = 1,847,849.71

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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.