Home / 2,343,357.43-3,511,597.21-1,320,678.63

Finding the Fourth Proportional to 2,343,357.43, 3,511,597.21 and 1,320,678.63

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Solution

The fourth proportional to 2,343,357.43, 3,511,597.21 and 1,320,678.63 is: 1,979,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343,357.43 : 3,511,597.21 = 1,320,678.63 : x
  2. Step 2: Convert to fraction form
    2,343,357.43/3,511,597.21 = 1,320,678.63/x
  3. Step 3: Cross multiply
    2,343,357.43x = 3,511,597.21 × 1,320,678.63
  4. Step 4: Simplify right side
    2,343,357.43x = 4,637,691,392,414.62
  5. Step 5: Solve for x
    x = 4,637,691,392,414.62/2,343,357.43
  6. Step 6: Final answer
    x = 1,979,079.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.