Home / 2,120,817.37-3,192,761.60-1,932,491.29

Finding the Fourth Proportional to 2,120,817.37, 3,192,761.60 and 1,932,491.29

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Solution

The fourth proportional to 2,120,817.37, 3,192,761.60 and 1,932,491.29 is: 2,909,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,817.37 : 3,192,761.60 = 1,932,491.29 : x
  2. Step 2: Convert to fraction form
    2,120,817.37/3,192,761.60 = 1,932,491.29/x
  3. Step 3: Cross multiply
    2,120,817.37x = 3,192,761.60 × 1,932,491.29
  4. Step 4: Simplify right side
    2,120,817.37x = 6,169,983,978,215.24
  5. Step 5: Solve for x
    x = 6,169,983,978,215.24/2,120,817.37
  6. Step 6: Final answer
    x = 2,909,248.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.