Home / 3,970,781.08-5,443,986.23-3,899,036.12

Finding the Fourth Proportional to 3,970,781.08, 5,443,986.23 and 3,899,036.12

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Solution

The fourth proportional to 3,970,781.08, 5,443,986.23 and 3,899,036.12 is: 5,345,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,781.08 : 5,443,986.23 = 3,899,036.12 : x
  2. Step 2: Convert to fraction form
    3,970,781.08/5,443,986.23 = 3,899,036.12/x
  3. Step 3: Cross multiply
    3,970,781.08x = 5,443,986.23 × 3,899,036.12
  4. Step 4: Simplify right side
    3,970,781.08x = 21,226,298,947,552.63
  5. Step 5: Solve for x
    x = 21,226,298,947,552.63/3,970,781.08
  6. Step 6: Final answer
    x = 5,345,623.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.