Home / 3,109,040.91-4,663,561.43-1,214,453.75

Finding the Fourth Proportional to 3,109,040.91, 4,663,561.43 and 1,214,453.75

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Solution

The fourth proportional to 3,109,040.91, 4,663,561.43 and 1,214,453.75 is: 1,821,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,040.91 : 4,663,561.43 = 1,214,453.75 : x
  2. Step 2: Convert to fraction form
    3,109,040.91/4,663,561.43 = 1,214,453.75/x
  3. Step 3: Cross multiply
    3,109,040.91x = 4,663,561.43 × 1,214,453.75
  4. Step 4: Simplify right side
    3,109,040.91x = 5,663,679,646,737.19
  5. Step 5: Solve for x
    x = 5,663,679,646,737.19/3,109,040.91
  6. Step 6: Final answer
    x = 1,821,680.64

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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.