Home / 3,172,998.18-4,761,120.47-1,511,163.86

Finding the Fourth Proportional to 3,172,998.18, 4,761,120.47 and 1,511,163.86

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Solution

The fourth proportional to 3,172,998.18, 4,761,120.47 and 1,511,163.86 is: 2,267,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,998.18 : 4,761,120.47 = 1,511,163.86 : x
  2. Step 2: Convert to fraction form
    3,172,998.18/4,761,120.47 = 1,511,163.86/x
  3. Step 3: Cross multiply
    3,172,998.18x = 4,761,120.47 × 1,511,163.86
  4. Step 4: Simplify right side
    3,172,998.18x = 7,194,833,156,008.79
  5. Step 5: Solve for x
    x = 7,194,833,156,008.79/3,172,998.18
  6. Step 6: Final answer
    x = 2,267,518.84

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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.