Home / 3,896,311.74-5,376,894.48-2,177,431.80

Finding the Fourth Proportional to 3,896,311.74, 5,376,894.48 and 2,177,431.80

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Solution

The fourth proportional to 3,896,311.74, 5,376,894.48 and 2,177,431.80 is: 3,004,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,311.74 : 5,376,894.48 = 2,177,431.80 : x
  2. Step 2: Convert to fraction form
    3,896,311.74/5,376,894.48 = 2,177,431.80/x
  3. Step 3: Cross multiply
    3,896,311.74x = 5,376,894.48 × 2,177,431.80
  4. Step 4: Simplify right side
    3,896,311.74x = 11,707,821,025,996.46
  5. Step 5: Solve for x
    x = 11,707,821,025,996.46/3,896,311.74
  6. Step 6: Final answer
    x = 3,004,847.10

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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.