Home / 3,689,378.57-5,091,349.40-2,057,891.61

Finding the Fourth Proportional to 3,689,378.57, 5,091,349.40 and 2,057,891.61

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Solution

The fourth proportional to 3,689,378.57, 5,091,349.40 and 2,057,891.61 is: 2,839,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,378.57 : 5,091,349.40 = 2,057,891.61 : x
  2. Step 2: Convert to fraction form
    3,689,378.57/5,091,349.40 = 2,057,891.61/x
  3. Step 3: Cross multiply
    3,689,378.57x = 5,091,349.40 × 2,057,891.61
  4. Step 4: Simplify right side
    3,689,378.57x = 10,477,445,203,549.08
  5. Step 5: Solve for x
    x = 10,477,445,203,549.08/3,689,378.57
  6. Step 6: Final answer
    x = 2,839,894.31

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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.