Home / 2,732,469.80-4,098,704.70-839,305.40

Finding the Fourth Proportional to 2,732,469.80, 4,098,704.70 and 839,305.40

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Solution

The fourth proportional to 2,732,469.80, 4,098,704.70 and 839,305.40 is: 1,258,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732,469.80 : 4,098,704.70 = 839,305.40 : x
  2. Step 2: Convert to fraction form
    2,732,469.80/4,098,704.70 = 839,305.40/x
  3. Step 3: Cross multiply
    2,732,469.80x = 4,098,704.70 × 839,305.40
  4. Step 4: Simplify right side
    2,732,469.80x = 3,440,064,987,715.38
  5. Step 5: Solve for x
    x = 3,440,064,987,715.38/2,732,469.80
  6. Step 6: Final answer
    x = 1,258,958.10

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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.