Home / 2,131,111.13-3,197,928.14-784,219.84

Finding the Fourth Proportional to 2,131,111.13, 3,197,928.14 and 784,219.84

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Solution

The fourth proportional to 2,131,111.13, 3,197,928.14 and 784,219.84 is: 1,176,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,111.13 : 3,197,928.14 = 784,219.84 : x
  2. Step 2: Convert to fraction form
    2,131,111.13/3,197,928.14 = 784,219.84/x
  3. Step 3: Cross multiply
    2,131,111.13x = 3,197,928.14 × 784,219.84
  4. Step 4: Simplify right side
    2,131,111.13x = 2,507,878,694,282.30
  5. Step 5: Solve for x
    x = 2,507,878,694,282.30/2,131,111.13
  6. Step 6: Final answer
    x = 1,176,793.95

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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.