Home / 2,878,218.39-3,971,947.41-1,589,061.27

Finding the Fourth Proportional to 2,878,218.39, 3,971,947.41 and 1,589,061.27

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Solution

The fourth proportional to 2,878,218.39, 3,971,947.41 and 1,589,061.27 is: 2,192,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,218.39 : 3,971,947.41 = 1,589,061.27 : x
  2. Step 2: Convert to fraction form
    2,878,218.39/3,971,947.41 = 1,589,061.27/x
  3. Step 3: Cross multiply
    2,878,218.39x = 3,971,947.41 × 1,589,061.27
  4. Step 4: Simplify right side
    2,878,218.39x = 6,311,667,795,707.81
  5. Step 5: Solve for x
    x = 6,311,667,795,707.81/2,878,218.39
  6. Step 6: Final answer
    x = 2,192,907.88

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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.