Home / 3,728,830.39-5,146,180.64-2,279,374.27

Finding the Fourth Proportional to 3,728,830.39, 5,146,180.64 and 2,279,374.27

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Solution

The fourth proportional to 3,728,830.39, 5,146,180.64 and 2,279,374.27 is: 3,145,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,830.39 : 5,146,180.64 = 2,279,374.27 : x
  2. Step 2: Convert to fraction form
    3,728,830.39/5,146,180.64 = 2,279,374.27/x
  3. Step 3: Cross multiply
    3,728,830.39x = 5,146,180.64 × 2,279,374.27
  4. Step 4: Simplify right side
    3,728,830.39x = 11,730,071,739,588.13
  5. Step 5: Solve for x
    x = 11,730,071,739,588.13/3,728,830.39
  6. Step 6: Final answer
    x = 3,145,777.77

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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.