Home / 2,928,522.78-4,041,320.22-1,639,361.70

Finding the Fourth Proportional to 2,928,522.78, 4,041,320.22 and 1,639,361.70

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Solution

The fourth proportional to 2,928,522.78, 4,041,320.22 and 1,639,361.70 is: 2,262,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,522.78 : 4,041,320.22 = 1,639,361.70 : x
  2. Step 2: Convert to fraction form
    2,928,522.78/4,041,320.22 = 1,639,361.70/x
  3. Step 3: Cross multiply
    2,928,522.78x = 4,041,320.22 × 1,639,361.70
  4. Step 4: Simplify right side
    2,928,522.78x = 6,625,185,586,103.57
  5. Step 5: Solve for x
    x = 6,625,185,586,103.57/2,928,522.78
  6. Step 6: Final answer
    x = 2,262,296.07

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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.