Home / 3,171,519.50-4,376,699.16-1,721,214.59

Finding the Fourth Proportional to 3,171,519.50, 4,376,699.16 and 1,721,214.59

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Solution

The fourth proportional to 3,171,519.50, 4,376,699.16 and 1,721,214.59 is: 2,375,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,519.50 : 4,376,699.16 = 1,721,214.59 : x
  2. Step 2: Convert to fraction form
    3,171,519.50/4,376,699.16 = 1,721,214.59/x
  3. Step 3: Cross multiply
    3,171,519.50x = 4,376,699.16 × 1,721,214.59
  4. Step 4: Simplify right side
    3,171,519.50x = 7,533,238,450,232.75
  5. Step 5: Solve for x
    x = 7,533,238,450,232.75/3,171,519.50
  6. Step 6: Final answer
    x = 2,375,277.36

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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.