Home / 2,819,424-3,889,034.88-1,672,692.48

Finding the Fourth Proportional to 2,819,424, 3,889,034.88 and 1,672,692.48

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Solution

The fourth proportional to 2,819,424, 3,889,034.88 and 1,672,692.48 is: 2,307,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,424 : 3,889,034.88 = 1,672,692.48 : x
  2. Step 2: Convert to fraction form
    2,819,424/3,889,034.88 = 1,672,692.48/x
  3. Step 3: Cross multiply
    2,819,424x = 3,889,034.88 × 1,672,692.48
  4. Step 4: Simplify right side
    2,819,424x = 6,505,159,398,233.70
  5. Step 5: Solve for x
    x = 6,505,159,398,233.70/2,819,424
  6. Step 6: Final answer
    x = 2,307,265.38

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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.