Home / 3,279,131.18-4,525,209.05-1,828,920.54

Finding the Fourth Proportional to 3,279,131.18, 4,525,209.05 and 1,828,920.54

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Solution

The fourth proportional to 3,279,131.18, 4,525,209.05 and 1,828,920.54 is: 2,523,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,131.18 : 4,525,209.05 = 1,828,920.54 : x
  2. Step 2: Convert to fraction form
    3,279,131.18/4,525,209.05 = 1,828,920.54/x
  3. Step 3: Cross multiply
    3,279,131.18x = 4,525,209.05 × 1,828,920.54
  4. Step 4: Simplify right side
    3,279,131.18x = 8,276,247,779,338.89
  5. Step 5: Solve for x
    x = 8,276,247,779,338.89/3,279,131.18
  6. Step 6: Final answer
    x = 2,523,914.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.