Home / 2,100,822.45-3,151,233.68-1,383,377.10

Finding the Fourth Proportional to 2,100,822.45, 3,151,233.68 and 1,383,377.10

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Solution

The fourth proportional to 2,100,822.45, 3,151,233.68 and 1,383,377.10 is: 2,075,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,822.45 : 3,151,233.68 = 1,383,377.10 : x
  2. Step 2: Convert to fraction form
    2,100,822.45/3,151,233.68 = 1,383,377.10/x
  3. Step 3: Cross multiply
    2,100,822.45x = 3,151,233.68 × 1,383,377.10
  4. Step 4: Simplify right side
    2,100,822.45x = 4,359,344,502,743.84
  5. Step 5: Solve for x
    x = 4,359,344,502,743.84/2,100,822.45
  6. Step 6: Final answer
    x = 2,075,065.65

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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.