Home / 3,618,551.84-4,993,374.42-1,986,947.78

Finding the Fourth Proportional to 3,618,551.84, 4,993,374.42 and 1,986,947.78

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Solution

The fourth proportional to 3,618,551.84, 4,993,374.42 and 1,986,947.78 is: 2,741,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,551.84 : 4,993,374.42 = 1,986,947.78 : x
  2. Step 2: Convert to fraction form
    3,618,551.84/4,993,374.42 = 1,986,947.78/x
  3. Step 3: Cross multiply
    3,618,551.84x = 4,993,374.42 × 1,986,947.78
  4. Step 4: Simplify right side
    3,618,551.84x = 9,921,574,218,527.79
  5. Step 5: Solve for x
    x = 9,921,574,218,527.79/3,618,551.84
  6. Step 6: Final answer
    x = 2,741,863.23

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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.