Home / 3,221,846.65-4,826,242.38-1,490,255.38

Finding the Fourth Proportional to 3,221,846.65, 4,826,242.38 and 1,490,255.38

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Solution

The fourth proportional to 3,221,846.65, 4,826,242.38 and 1,490,255.38 is: 2,232,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,846.65 : 4,826,242.38 = 1,490,255.38 : x
  2. Step 2: Convert to fraction form
    3,221,846.65/4,826,242.38 = 1,490,255.38/x
  3. Step 3: Cross multiply
    3,221,846.65x = 4,826,242.38 × 1,490,255.38
  4. Step 4: Simplify right side
    3,221,846.65x = 7,192,333,647,847.79
  5. Step 5: Solve for x
    x = 7,192,333,647,847.79/3,221,846.65
  6. Step 6: Final answer
    x = 2,232,363.75

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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.