Home / 3,776,977.04-5,212,065.12-2,145,379.28

Finding the Fourth Proportional to 3,776,977.04, 5,212,065.12 and 2,145,379.28

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Solution

The fourth proportional to 3,776,977.04, 5,212,065.12 and 2,145,379.28 is: 2,960,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,977.04 : 5,212,065.12 = 2,145,379.28 : x
  2. Step 2: Convert to fraction form
    3,776,977.04/5,212,065.12 = 2,145,379.28/x
  3. Step 3: Cross multiply
    3,776,977.04x = 5,212,065.12 × 2,145,379.28
  4. Step 4: Simplify right side
    3,776,977.04x = 11,181,856,514,458.71
  5. Step 5: Solve for x
    x = 11,181,856,514,458.71/3,776,977.04
  6. Step 6: Final answer
    x = 2,960,530.71

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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.