Home / 5,589,878.92-7,713,833.72-3,109,086.45

Finding the Fourth Proportional to 5,589,878.92, 7,713,833.72 and 3,109,086.45

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Solution

The fourth proportional to 5,589,878.92, 7,713,833.72 and 3,109,086.45 is: 4,290,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589,878.92 : 7,713,833.72 = 3,109,086.45 : x
  2. Step 2: Convert to fraction form
    5,589,878.92/7,713,833.72 = 3,109,086.45/x
  3. Step 3: Cross multiply
    5,589,878.92x = 7,713,833.72 × 3,109,086.45
  4. Step 4: Simplify right side
    5,589,878.92x = 23,982,975,880,859.66
  5. Step 5: Solve for x
    x = 23,982,975,880,859.66/5,589,878.92
  6. Step 6: Final answer
    x = 4,290,428.51

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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.