Home / 3,171,703.49-4,376,992.80-1,721,416.31

Finding the Fourth Proportional to 3,171,703.49, 4,376,992.80 and 1,721,416.31

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Solution

The fourth proportional to 3,171,703.49, 4,376,992.80 and 1,721,416.31 is: 2,375,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,703.49 : 4,376,992.80 = 1,721,416.31 : x
  2. Step 2: Convert to fraction form
    3,171,703.49/4,376,992.80 = 1,721,416.31/x
  3. Step 3: Cross multiply
    3,171,703.49x = 4,376,992.80 × 1,721,416.31
  4. Step 4: Simplify right side
    3,171,703.49x = 7,534,626,764,180.52
  5. Step 5: Solve for x
    x = 7,534,626,764,180.52/3,171,703.49
  6. Step 6: Final answer
    x = 2,375,577.29

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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.