Home / 2,126,357.82-3,189,548.21-528,920.91

Finding the Fourth Proportional to 2,126,357.82, 3,189,548.21 and 528,920.91

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Solution

The fourth proportional to 2,126,357.82, 3,189,548.21 and 528,920.91 is: 793,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,357.82 : 3,189,548.21 = 528,920.91 : x
  2. Step 2: Convert to fraction form
    2,126,357.82/3,189,548.21 = 528,920.91/x
  3. Step 3: Cross multiply
    2,126,357.82x = 3,189,548.21 × 528,920.91
  4. Step 4: Simplify right side
    2,126,357.82x = 1,687,018,741,722.07
  5. Step 5: Solve for x
    x = 1,687,018,741,722.07/2,126,357.82
  6. Step 6: Final answer
    x = 793,384.22

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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.