Home / 5,162,438.57-7,124,339.24-2,839,510.75

Finding the Fourth Proportional to 5,162,438.57, 7,124,339.24 and 2,839,510.75

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Solution

The fourth proportional to 5,162,438.57, 7,124,339.24 and 2,839,510.75 is: 3,918,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,438.57 : 7,124,339.24 = 2,839,510.75 : x
  2. Step 2: Convert to fraction form
    5,162,438.57/7,124,339.24 = 2,839,510.75/x
  3. Step 3: Cross multiply
    5,162,438.57x = 7,124,339.24 × 2,839,510.75
  4. Step 4: Simplify right side
    5,162,438.57x = 20,229,637,858,626.83
  5. Step 5: Solve for x
    x = 20,229,637,858,626.83/5,162,438.57
  6. Step 6: Final answer
    x = 3,918,620.55

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1.5x scale

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.