Home / 3,679,846.42-5,078,188.34-2,048,218.66

Finding the Fourth Proportional to 3,679,846.42, 5,078,188.34 and 2,048,218.66

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Solution

The fourth proportional to 3,679,846.42, 5,078,188.34 and 2,048,218.66 is: 2,826,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,846.42 : 5,078,188.34 = 2,048,218.66 : x
  2. Step 2: Convert to fraction form
    3,679,846.42/5,078,188.34 = 2,048,218.66/x
  3. Step 3: Cross multiply
    3,679,846.42x = 5,078,188.34 × 2,048,218.66
  4. Step 4: Simplify right side
    3,679,846.42x = 10,401,240,116,982.42
  5. Step 5: Solve for x
    x = 10,401,240,116,982.42/3,679,846.42
  6. Step 6: Final answer
    x = 2,826,541.91

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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.