Home / 2,126,354.32-3,189,542.96-528,917.41

Finding the Fourth Proportional to 2,126,354.32, 3,189,542.96 and 528,917.41

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Solution

The fourth proportional to 2,126,354.32, 3,189,542.96 and 528,917.41 is: 793,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,354.32 : 3,189,542.96 = 528,917.41 : x
  2. Step 2: Convert to fraction form
    2,126,354.32/3,189,542.96 = 528,917.41/x
  3. Step 3: Cross multiply
    2,126,354.32x = 3,189,542.96 × 528,917.41
  4. Step 4: Simplify right side
    2,126,354.32x = 1,687,004,801,486.93
  5. Step 5: Solve for x
    x = 1,687,004,801,486.93/2,126,354.32
  6. Step 6: Final answer
    x = 793,378.97

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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.