Home / 2,812,713.66-4,219,267.32-1,392,388.38

Finding the Fourth Proportional to 2,812,713.66, 4,219,267.32 and 1,392,388.38

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Solution

The fourth proportional to 2,812,713.66, 4,219,267.32 and 1,392,388.38 is: 2,088,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,713.66 : 4,219,267.32 = 1,392,388.38 : x
  2. Step 2: Convert to fraction form
    2,812,713.66/4,219,267.32 = 1,392,388.38/x
  3. Step 3: Cross multiply
    2,812,713.66x = 4,219,267.32 × 1,392,388.38
  4. Step 4: Simplify right side
    2,812,713.66x = 5,874,858,788,481.74
  5. Step 5: Solve for x
    x = 5,874,858,788,481.74/2,812,713.66
  6. Step 6: Final answer
    x = 2,088,680.01

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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.