Home / 2,126,010.42-3,190,858.14-1,115,845.92

Finding the Fourth Proportional to 2,126,010.42, 3,190,858.14 and 1,115,845.92

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Solution

The fourth proportional to 2,126,010.42, 3,190,858.14 and 1,115,845.92 is: 1,674,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,010.42 : 3,190,858.14 = 1,115,845.92 : x
  2. Step 2: Convert to fraction form
    2,126,010.42/3,190,858.14 = 1,115,845.92/x
  3. Step 3: Cross multiply
    2,126,010.42x = 3,190,858.14 × 1,115,845.92
  4. Step 4: Simplify right side
    2,126,010.42x = 3,560,506,036,817.79
  5. Step 5: Solve for x
    x = 3,560,506,036,817.79/2,126,010.42
  6. Step 6: Final answer
    x = 1,674,735.93

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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.