Home / 2,176,122.40-3,264,644.40-659,680.80

Finding the Fourth Proportional to 2,176,122.40, 3,264,644.40 and 659,680.80

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Solution

The fourth proportional to 2,176,122.40, 3,264,644.40 and 659,680.80 is: 989,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,122.40 : 3,264,644.40 = 659,680.80 : x
  2. Step 2: Convert to fraction form
    2,176,122.40/3,264,644.40 = 659,680.80/x
  3. Step 3: Cross multiply
    2,176,122.40x = 3,264,644.40 × 659,680.80
  4. Step 4: Simplify right side
    2,176,122.40x = 2,153,623,229,507.52
  5. Step 5: Solve for x
    x = 2,153,623,229,507.52/2,176,122.40
  6. Step 6: Final answer
    x = 989,660.89

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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.