Home / 3,467,389.41-5,198,869.71-1,666,690.11

Finding the Fourth Proportional to 3,467,389.41, 5,198,869.71 and 1,666,690.11

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Solution

The fourth proportional to 3,467,389.41, 5,198,869.71 and 1,666,690.11 is: 2,498,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467,389.41 : 5,198,869.71 = 1,666,690.11 : x
  2. Step 2: Convert to fraction form
    3,467,389.41/5,198,869.71 = 1,666,690.11/x
  3. Step 3: Cross multiply
    3,467,389.41x = 5,198,869.71 × 1,666,690.11
  4. Step 4: Simplify right side
    3,467,389.41x = 8,664,904,728,835.57
  5. Step 5: Solve for x
    x = 8,664,904,728,835.57/3,467,389.41
  6. Step 6: Final answer
    x = 2,498,970.75

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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.