Home / 5,146,543.14-7,103,081.34-2,855,441.94

Finding the Fourth Proportional to 5,146,543.14, 7,103,081.34 and 2,855,441.94

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Solution

The fourth proportional to 5,146,543.14, 7,103,081.34 and 2,855,441.94 is: 3,940,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,543.14 : 7,103,081.34 = 2,855,441.94 : x
  2. Step 2: Convert to fraction form
    5,146,543.14/7,103,081.34 = 2,855,441.94/x
  3. Step 3: Cross multiply
    5,146,543.14x = 7,103,081.34 × 2,855,441.94
  4. Step 4: Simplify right side
    5,146,543.14x = 20,282,436,361,467.40
  5. Step 5: Solve for x
    x = 20,282,436,361,467.40/5,146,543.14
  6. Step 6: Final answer
    x = 3,940,982.48

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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.