Home / 5,186,974.04-7,780,834.73-1,992,100.22

Finding the Fourth Proportional to 5,186,974.04, 7,780,834.73 and 1,992,100.22

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Solution

The fourth proportional to 5,186,974.04, 7,780,834.73 and 1,992,100.22 is: 2,988,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,974.04 : 7,780,834.73 = 1,992,100.22 : x
  2. Step 2: Convert to fraction form
    5,186,974.04/7,780,834.73 = 1,992,100.22/x
  3. Step 3: Cross multiply
    5,186,974.04x = 7,780,834.73 × 1,992,100.22
  4. Step 4: Simplify right side
    5,186,974.04x = 15,500,202,528,551.96
  5. Step 5: Solve for x
    x = 15,500,202,528,551.96/5,186,974.04
  6. Step 6: Final answer
    x = 2,988,293.83

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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.