Home / 2,131,017.66-3,197,787.59-784,126.08

Finding the Fourth Proportional to 2,131,017.66, 3,197,787.59 and 784,126.08

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Solution

The fourth proportional to 2,131,017.66, 3,197,787.59 and 784,126.08 is: 1,176,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,017.66 : 3,197,787.59 = 784,126.08 : x
  2. Step 2: Convert to fraction form
    2,131,017.66/3,197,787.59 = 784,126.08/x
  3. Step 3: Cross multiply
    2,131,017.66x = 3,197,787.59 × 784,126.08
  4. Step 4: Simplify right side
    2,131,017.66x = 2,507,468,647,619.35
  5. Step 5: Solve for x
    x = 2,507,468,647,619.35/2,131,017.66
  6. Step 6: Final answer
    x = 1,176,653.15

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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.