Home / 3,997,739.39-5,516,881.22-2,255,778.51

Finding the Fourth Proportional to 3,997,739.39, 5,516,881.22 and 2,255,778.51

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Solution

The fourth proportional to 3,997,739.39, 5,516,881.22 and 2,255,778.51 is: 3,112,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,739.39 : 5,516,881.22 = 2,255,778.51 : x
  2. Step 2: Convert to fraction form
    3,997,739.39/5,516,881.22 = 2,255,778.51/x
  3. Step 3: Cross multiply
    3,997,739.39x = 5,516,881.22 × 2,255,778.51
  4. Step 4: Simplify right side
    3,997,739.39x = 12,444,862,087,019.69
  5. Step 5: Solve for x
    x = 12,444,862,087,019.69/3,997,739.39
  6. Step 6: Final answer
    x = 3,112,974.83

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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.