Home / 3,887,789.04-5,365,151.16-2,168,909.56

Finding the Fourth Proportional to 3,887,789.04, 5,365,151.16 and 2,168,909.56

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Solution

The fourth proportional to 3,887,789.04, 5,365,151.16 and 2,168,909.56 is: 2,993,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,789.04 : 5,365,151.16 = 2,168,909.56 : x
  2. Step 2: Convert to fraction form
    3,887,789.04/5,365,151.16 = 2,168,909.56/x
  3. Step 3: Cross multiply
    3,887,789.04x = 5,365,151.16 × 2,168,909.56
  4. Step 4: Simplify right side
    3,887,789.04x = 11,636,527,641,769.09
  5. Step 5: Solve for x
    x = 11,636,527,641,769.09/3,887,789.04
  6. Step 6: Final answer
    x = 2,993,096.47

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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.