Home / 3,111,479.63-4,669,401.06-1,289,872.65

Finding the Fourth Proportional to 3,111,479.63, 4,669,401.06 and 1,289,872.65

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Solution

The fourth proportional to 3,111,479.63, 4,669,401.06 and 1,289,872.65 is: 1,935,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,479.63 : 4,669,401.06 = 1,289,872.65 : x
  2. Step 2: Convert to fraction form
    3,111,479.63/4,669,401.06 = 1,289,872.65/x
  3. Step 3: Cross multiply
    3,111,479.63x = 4,669,401.06 × 1,289,872.65
  4. Step 4: Simplify right side
    3,111,479.63x = 6,022,932,719,175.01
  5. Step 5: Solve for x
    x = 6,022,932,719,175.01/3,111,479.63
  6. Step 6: Final answer
    x = 1,935,713.37

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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.