Home / 2,126,399.69-3,191,699.06-929,148.41

Finding the Fourth Proportional to 2,126,399.69, 3,191,699.06 and 929,148.41

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Solution

The fourth proportional to 2,126,399.69, 3,191,699.06 and 929,148.41 is: 1,394,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,399.69 : 3,191,699.06 = 929,148.41 : x
  2. Step 2: Convert to fraction form
    2,126,399.69/3,191,699.06 = 929,148.41/x
  3. Step 3: Cross multiply
    2,126,399.69x = 3,191,699.06 × 929,148.41
  4. Step 4: Simplify right side
    2,126,399.69x = 2,965,562,106,797.49
  5. Step 5: Solve for x
    x = 2,965,562,106,797.49/2,126,399.69
  6. Step 6: Final answer
    x = 1,394,640.02

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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.