Home / 7,179,520.38-10,769,374.32-2,387,209.65

Finding the Fourth Proportional to 7,179,520.38, 10,769,374.32 and 2,387,209.65

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Solution

The fourth proportional to 7,179,520.38, 10,769,374.32 and 2,387,209.65 is: 3,580,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,520.38 : 10,769,374.32 = 2,387,209.65 : x
  2. Step 2: Convert to fraction form
    7,179,520.38/10,769,374.32 = 2,387,209.65/x
  3. Step 3: Cross multiply
    7,179,520.38x = 10,769,374.32 × 2,387,209.65
  4. Step 4: Simplify right side
    7,179,520.38x = 25,708,754,301,166.19
  5. Step 5: Solve for x
    x = 25,708,754,301,166.19/7,179,520.38
  6. Step 6: Final answer
    x = 3,580,845.65

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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.