Home / 4,243,145.86-5,855,665.44-2,309,531.68

Finding the Fourth Proportional to 4,243,145.86, 5,855,665.44 and 2,309,531.68

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Solution

The fourth proportional to 4,243,145.86, 5,855,665.44 and 2,309,531.68 is: 3,187,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243,145.86 : 5,855,665.44 = 2,309,531.68 : x
  2. Step 2: Convert to fraction form
    4,243,145.86/5,855,665.44 = 2,309,531.68/x
  3. Step 3: Cross multiply
    4,243,145.86x = 5,855,665.44 × 2,309,531.68
  4. Step 4: Simplify right side
    4,243,145.86x = 13,523,844,841,161.14
  5. Step 5: Solve for x
    x = 13,523,844,841,161.14/4,243,145.86
  6. Step 6: Final answer
    x = 3,187,221.29

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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.