Home / 2,181,102.32-3,272,321.20-1,116,897.86

Finding the Fourth Proportional to 2,181,102.32, 3,272,321.20 and 1,116,897.86

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Solution

The fourth proportional to 2,181,102.32, 3,272,321.20 and 1,116,897.86 is: 1,675,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,102.32 : 3,272,321.20 = 1,116,897.86 : x
  2. Step 2: Convert to fraction form
    2,181,102.32/3,272,321.20 = 1,116,897.86/x
  3. Step 3: Cross multiply
    2,181,102.32x = 3,272,321.20 × 1,116,897.86
  4. Step 4: Simplify right side
    2,181,102.32x = 3,654,848,545,512.63
  5. Step 5: Solve for x
    x = 3,654,848,545,512.63/2,181,102.32
  6. Step 6: Final answer
    x = 1,675,688.72

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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.