Home / 5,176,154.98-7,142,768.92-2,852,919.65

Finding the Fourth Proportional to 5,176,154.98, 7,142,768.92 and 2,852,919.65

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Solution

The fourth proportional to 5,176,154.98, 7,142,768.92 and 2,852,919.65 is: 3,936,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,154.98 : 7,142,768.92 = 2,852,919.65 : x
  2. Step 2: Convert to fraction form
    5,176,154.98/7,142,768.92 = 2,852,919.65/x
  3. Step 3: Cross multiply
    5,176,154.98x = 7,142,768.92 × 2,852,919.65
  4. Step 4: Simplify right side
    5,176,154.98x = 20,377,745,818,001.90
  5. Step 5: Solve for x
    x = 20,377,745,818,001.90/5,176,154.98
  6. Step 6: Final answer
    x = 3,936,850.02

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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.