Home / 3,989,805.61-5,505,937.89-2,270,926.13

Finding the Fourth Proportional to 3,989,805.61, 5,505,937.89 and 2,270,926.13

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Solution

The fourth proportional to 3,989,805.61, 5,505,937.89 and 2,270,926.13 is: 3,133,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,805.61 : 5,505,937.89 = 2,270,926.13 : x
  2. Step 2: Convert to fraction form
    3,989,805.61/5,505,937.89 = 2,270,926.13/x
  3. Step 3: Cross multiply
    3,989,805.61x = 5,505,937.89 × 2,270,926.13
  4. Step 4: Simplify right side
    3,989,805.61x = 12,503,578,201,286.36
  5. Step 5: Solve for x
    x = 12,503,578,201,286.36/3,989,805.61
  6. Step 6: Final answer
    x = 3,133,881.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.