Home / 3,870,732.62-5,341,793.28-2,151,881.84

Finding the Fourth Proportional to 3,870,732.62, 5,341,793.28 and 2,151,881.84

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Solution

The fourth proportional to 3,870,732.62, 5,341,793.28 and 2,151,881.84 is: 2,969,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,732.62 : 5,341,793.28 = 2,151,881.84 : x
  2. Step 2: Convert to fraction form
    3,870,732.62/5,341,793.28 = 2,151,881.84/x
  3. Step 3: Cross multiply
    3,870,732.62x = 5,341,793.28 × 2,151,881.84
  4. Step 4: Simplify right side
    3,870,732.62x = 11,494,907,952,266.04
  5. Step 5: Solve for x
    x = 11,494,907,952,266.04/3,870,732.62
  6. Step 6: Final answer
    x = 2,969,698.27

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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.