Home / 3,013,278.44-4,155,918.81-1,981,844.60

Finding the Fourth Proportional to 3,013,278.44, 4,155,918.81 and 1,981,844.60

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Solution

The fourth proportional to 3,013,278.44, 4,155,918.81 and 1,981,844.60 is: 2,733,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,278.44 : 4,155,918.81 = 1,981,844.60 : x
  2. Step 2: Convert to fraction form
    3,013,278.44/4,155,918.81 = 1,981,844.60/x
  3. Step 3: Cross multiply
    3,013,278.44x = 4,155,918.81 × 1,981,844.60
  4. Step 4: Simplify right side
    3,013,278.44x = 8,236,385,230,857.33
  5. Step 5: Solve for x
    x = 8,236,385,230,857.33/3,013,278.44
  6. Step 6: Final answer
    x = 2,733,363.47

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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.