Home / 2,126,328.32-3,189,504-528,891.41

Finding the Fourth Proportional to 2,126,328.32, 3,189,504 and 528,891.41

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Solution

The fourth proportional to 2,126,328.32, 3,189,504 and 528,891.41 is: 793,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,328.32 : 3,189,504 = 528,891.41 : x
  2. Step 2: Convert to fraction form
    2,126,328.32/3,189,504 = 528,891.41/x
  3. Step 3: Cross multiply
    2,126,328.32x = 3,189,504 × 528,891.41
  4. Step 4: Simplify right side
    2,126,328.32x = 1,686,901,251,813.12
  5. Step 5: Solve for x
    x = 1,686,901,251,813.12/2,126,328.32
  6. Step 6: Final answer
    x = 793,339.97

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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.