Home / 3,876,659.76-5,349,790.68-2,157,743.37

Finding the Fourth Proportional to 3,876,659.76, 5,349,790.68 and 2,157,743.37

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Solution

The fourth proportional to 3,876,659.76, 5,349,790.68 and 2,157,743.37 is: 2,977,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,659.76 : 5,349,790.68 = 2,157,743.37 : x
  2. Step 2: Convert to fraction form
    3,876,659.76/5,349,790.68 = 2,157,743.37/x
  3. Step 3: Cross multiply
    3,876,659.76x = 5,349,790.68 × 2,157,743.37
  4. Step 4: Simplify right side
    3,876,659.76x = 11,543,475,370,657.79
  5. Step 5: Solve for x
    x = 11,543,475,370,657.79/3,876,659.76
  6. Step 6: Final answer
    x = 2,977,685.97

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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.