Home / 3,278,121.87-4,916,001.82-1,385,010.93

Finding the Fourth Proportional to 3,278,121.87, 4,916,001.82 and 1,385,010.93

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Solution

The fourth proportional to 3,278,121.87, 4,916,001.82 and 1,385,010.93 is: 2,077,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,121.87 : 4,916,001.82 = 1,385,010.93 : x
  2. Step 2: Convert to fraction form
    3,278,121.87/4,916,001.82 = 1,385,010.93/x
  3. Step 3: Cross multiply
    3,278,121.87x = 4,916,001.82 × 1,385,010.93
  4. Step 4: Simplify right side
    3,278,121.87x = 6,808,716,252,599.89
  5. Step 5: Solve for x
    x = 6,808,716,252,599.89/3,278,121.87
  6. Step 6: Final answer
    x = 2,077,017.43

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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.