Home / 2,819,034.40-4,219,220.40-2,184,512.80

Finding the Fourth Proportional to 2,819,034.40, 4,219,220.40 and 2,184,512.80

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Solution

The fourth proportional to 2,819,034.40, 4,219,220.40 and 2,184,512.80 is: 3,269,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,034.40 : 4,219,220.40 = 2,184,512.80 : x
  2. Step 2: Convert to fraction form
    2,819,034.40/4,219,220.40 = 2,184,512.80/x
  3. Step 3: Cross multiply
    2,819,034.40x = 4,219,220.40 × 2,184,512.80
  4. Step 4: Simplify right side
    2,819,034.40x = 9,216,940,969,821.12
  5. Step 5: Solve for x
    x = 9,216,940,969,821.12/2,819,034.40
  6. Step 6: Final answer
    x = 3,269,538.31

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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.