Home / 2,108,507.52-3,162,955.71-688,571.04

Finding the Fourth Proportional to 2,108,507.52, 3,162,955.71 and 688,571.04

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Solution

The fourth proportional to 2,108,507.52, 3,162,955.71 and 688,571.04 is: 1,032,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,507.52 : 3,162,955.71 = 688,571.04 : x
  2. Step 2: Convert to fraction form
    2,108,507.52/3,162,955.71 = 688,571.04/x
  3. Step 3: Cross multiply
    2,108,507.52x = 3,162,955.71 × 688,571.04
  4. Step 4: Simplify right side
    2,108,507.52x = 2,177,919,702,708.64
  5. Step 5: Solve for x
    x = 2,177,919,702,708.64/2,108,507.52
  6. Step 6: Final answer
    x = 1,032,920.05

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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.