Home / 3,171,519.75-4,376,699.52-1,721,214.84

Finding the Fourth Proportional to 3,171,519.75, 4,376,699.52 and 1,721,214.84

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Solution

The fourth proportional to 3,171,519.75, 4,376,699.52 and 1,721,214.84 is: 2,375,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,519.75 : 4,376,699.52 = 1,721,214.84 : x
  2. Step 2: Convert to fraction form
    3,171,519.75/4,376,699.52 = 1,721,214.84/x
  3. Step 3: Cross multiply
    3,171,519.75x = 4,376,699.52 × 1,721,214.84
  4. Step 4: Simplify right side
    3,171,519.75x = 7,533,240,164,044.88
  5. Step 5: Solve for x
    x = 7,533,240,164,044.88/3,171,519.75
  6. Step 6: Final answer
    x = 2,375,277.71

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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.