Home / 3,613,171.86-4,973,662.17-3,122,917.74

Finding the Fourth Proportional to 3,613,171.86, 4,973,662.17 and 3,122,917.74

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Solution

The fourth proportional to 3,613,171.86, 4,973,662.17 and 3,122,917.74 is: 4,298,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,171.86 : 4,973,662.17 = 3,122,917.74 : x
  2. Step 2: Convert to fraction form
    3,613,171.86/4,973,662.17 = 3,122,917.74/x
  3. Step 3: Cross multiply
    3,613,171.86x = 4,973,662.17 × 3,122,917.74
  4. Step 4: Simplify right side
    3,613,171.86x = 15,532,337,823,459.90
  5. Step 5: Solve for x
    x = 15,532,337,823,459.90/3,613,171.86
  6. Step 6: Final answer
    x = 4,298,809.58

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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.