Home / 3,171,666.06-4,376,930.67-1,721,374.38

Finding the Fourth Proportional to 3,171,666.06, 4,376,930.67 and 1,721,374.38

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Solution

The fourth proportional to 3,171,666.06, 4,376,930.67 and 1,721,374.38 is: 2,375,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,666.06 : 4,376,930.67 = 1,721,374.38 : x
  2. Step 2: Convert to fraction form
    3,171,666.06/4,376,930.67 = 1,721,374.38/x
  3. Step 3: Cross multiply
    3,171,666.06x = 4,376,930.67 × 1,721,374.38
  4. Step 4: Simplify right side
    3,171,666.06x = 7,534,336,318,374.24
  5. Step 5: Solve for x
    x = 7,534,336,318,374.24/3,171,666.06
  6. Step 6: Final answer
    x = 2,375,513.74

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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.