Home / 2,832,379.12-3,908,633.52-1,543,228.72

Finding the Fourth Proportional to 2,832,379.12, 3,908,633.52 and 1,543,228.72

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Solution

The fourth proportional to 2,832,379.12, 3,908,633.52 and 1,543,228.72 is: 2,129,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832,379.12 : 3,908,633.52 = 1,543,228.72 : x
  2. Step 2: Convert to fraction form
    2,832,379.12/3,908,633.52 = 1,543,228.72/x
  3. Step 3: Cross multiply
    2,832,379.12x = 3,908,633.52 × 1,543,228.72
  4. Step 4: Simplify right side
    2,832,379.12x = 6,031,915,504,018.69
  5. Step 5: Solve for x
    x = 6,031,915,504,018.69/2,832,379.12
  6. Step 6: Final answer
    x = 2,129,628.57

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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.