Home / 3,880,172.97-5,354,803.89-2,161,294.25

Finding the Fourth Proportional to 3,880,172.97, 5,354,803.89 and 2,161,294.25

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Solution

The fourth proportional to 3,880,172.97, 5,354,803.89 and 2,161,294.25 is: 2,982,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,172.97 : 5,354,803.89 = 2,161,294.25 : x
  2. Step 2: Convert to fraction form
    3,880,172.97/5,354,803.89 = 2,161,294.25/x
  3. Step 3: Cross multiply
    3,880,172.97x = 5,354,803.89 × 2,161,294.25
  4. Step 4: Simplify right side
    3,880,172.97x = 11,573,306,830,560.61
  5. Step 5: Solve for x
    x = 11,573,306,830,560.61/3,880,172.97
  6. Step 6: Final answer
    x = 2,982,678.07

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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.