Home / 3,879,458.56-5,353,818.96-2,160,579.07

Finding the Fourth Proportional to 3,879,458.56, 5,353,818.96 and 2,160,579.07

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Solution

The fourth proportional to 3,879,458.56, 5,353,818.96 and 2,160,579.07 is: 2,981,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,458.56 : 5,353,818.96 = 2,160,579.07 : x
  2. Step 2: Convert to fraction form
    3,879,458.56/5,353,818.96 = 2,160,579.07/x
  3. Step 3: Cross multiply
    3,879,458.56x = 5,353,818.96 × 2,160,579.07
  4. Step 4: Simplify right side
    3,879,458.56x = 11,567,349,189,545.17
  5. Step 5: Solve for x
    x = 11,567,349,189,545.17/3,879,458.56
  6. Step 6: Final answer
    x = 2,981,691.65

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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.