Home / 7,172,542-10,758,759.40-2,054,976.27

Finding the Fourth Proportional to 7,172,542, 10,758,759.40 and 2,054,976.27

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Solution

The fourth proportional to 7,172,542, 10,758,759.40 and 2,054,976.27 is: 3,082,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,542 : 10,758,759.40 = 2,054,976.27 : x
  2. Step 2: Convert to fraction form
    7,172,542/10,758,759.40 = 2,054,976.27/x
  3. Step 3: Cross multiply
    7,172,542x = 10,758,759.40 × 2,054,976.27
  4. Step 4: Simplify right side
    7,172,542x = 22,108,995,261,639.44
  5. Step 5: Solve for x
    x = 22,108,995,261,639.44/7,172,542
  6. Step 6: Final answer
    x = 3,082,449.05

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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.