Home / 2,809,378.41-3,876,948.96-1,520,232.63

Finding the Fourth Proportional to 2,809,378.41, 3,876,948.96 and 1,520,232.63

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Solution

The fourth proportional to 2,809,378.41, 3,876,948.96 and 1,520,232.63 is: 2,097,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,378.41 : 3,876,948.96 = 1,520,232.63 : x
  2. Step 2: Convert to fraction form
    2,809,378.41/3,876,948.96 = 1,520,232.63/x
  3. Step 3: Cross multiply
    2,809,378.41x = 3,876,948.96 × 1,520,232.63
  4. Step 4: Simplify right side
    2,809,378.41x = 5,893,864,313,836.57
  5. Step 5: Solve for x
    x = 5,893,864,313,836.57/2,809,378.41
  6. Step 6: Final answer
    x = 2,097,924.68

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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.