Home / 3,171,730.22-4,376,992.03-1,721,425.68

Finding the Fourth Proportional to 3,171,730.22, 4,376,992.03 and 1,721,425.68

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Solution

The fourth proportional to 3,171,730.22, 4,376,992.03 and 1,721,425.68 is: 2,375,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,730.22 : 4,376,992.03 = 1,721,425.68 : x
  2. Step 2: Convert to fraction form
    3,171,730.22/4,376,992.03 = 1,721,425.68/x
  3. Step 3: Cross multiply
    3,171,730.22x = 4,376,992.03 × 1,721,425.68
  4. Step 4: Simplify right side
    3,171,730.22x = 7,534,666,460,880.05
  5. Step 5: Solve for x
    x = 7,534,666,460,880.05/3,171,730.22
  6. Step 6: Final answer
    x = 2,375,569.78

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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.