Home / 3,351,436.54-5,020,811.88-1,981,107.70

Finding the Fourth Proportional to 3,351,436.54, 5,020,811.88 and 1,981,107.70

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Solution

The fourth proportional to 3,351,436.54, 5,020,811.88 and 1,981,107.70 is: 2,967,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351,436.54 : 5,020,811.88 = 1,981,107.70 : x
  2. Step 2: Convert to fraction form
    3,351,436.54/5,020,811.88 = 1,981,107.70/x
  3. Step 3: Cross multiply
    3,351,436.54x = 5,020,811.88 × 1,981,107.70
  4. Step 4: Simplify right side
    3,351,436.54x = 9,946,769,075,719.48
  5. Step 5: Solve for x
    x = 9,946,769,075,719.48/3,351,436.54
  6. Step 6: Final answer
    x = 2,967,912.10

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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.