Home / 2,189,709.70-3,284,564.56-1,124,159.56

Finding the Fourth Proportional to 2,189,709.70, 3,284,564.56 and 1,124,159.56

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Solution

The fourth proportional to 2,189,709.70, 3,284,564.56 and 1,124,159.56 is: 1,686,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,709.70 : 3,284,564.56 = 1,124,159.56 : x
  2. Step 2: Convert to fraction form
    2,189,709.70/3,284,564.56 = 1,124,159.56/x
  3. Step 3: Cross multiply
    2,189,709.70x = 3,284,564.56 × 1,124,159.56
  4. Step 4: Simplify right side
    2,189,709.70x = 3,692,374,639,539.38
  5. Step 5: Solve for x
    x = 3,692,374,639,539.38/2,189,709.70
  6. Step 6: Final answer
    x = 1,686,239.34

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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.