Home / 2,617,937.40-3,926,955.30-820,781.08

Finding the Fourth Proportional to 2,617,937.40, 3,926,955.30 and 820,781.08

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Solution

The fourth proportional to 2,617,937.40, 3,926,955.30 and 820,781.08 is: 1,231,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,937.40 : 3,926,955.30 = 820,781.08 : x
  2. Step 2: Convert to fraction form
    2,617,937.40/3,926,955.30 = 820,781.08/x
  3. Step 3: Cross multiply
    2,617,937.40x = 3,926,955.30 × 820,781.08
  4. Step 4: Simplify right side
    2,617,937.40x = 3,223,170,612,245.72
  5. Step 5: Solve for x
    x = 3,223,170,612,245.72/2,617,937.40
  6. Step 6: Final answer
    x = 1,231,187.05

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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.