Home / 2,879,441-3,973,628.90-1,672,294.76

Finding the Fourth Proportional to 2,879,441, 3,973,628.90 and 1,672,294.76

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Solution

The fourth proportional to 2,879,441, 3,973,628.90 and 1,672,294.76 is: 2,307,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,441 : 3,973,628.90 = 1,672,294.76 : x
  2. Step 2: Convert to fraction form
    2,879,441/3,973,628.90 = 1,672,294.76/x
  3. Step 3: Cross multiply
    2,879,441x = 3,973,628.90 × 1,672,294.76
  4. Step 4: Simplify right side
    2,879,441x = 6,645,078,787,654.56
  5. Step 5: Solve for x
    x = 6,645,078,787,654.56/2,879,441
  6. Step 6: Final answer
    x = 2,307,766.95

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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.