Home / 1,940,651.80-2,903,979.30-1,310,795.80

Finding the Fourth Proportional to 1,940,651.80, 2,903,979.30 and 1,310,795.80

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Solution

The fourth proportional to 1,940,651.80, 2,903,979.30 and 1,310,795.80 is: 1,961,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,651.80 : 2,903,979.30 = 1,310,795.80 : x
  2. Step 2: Convert to fraction form
    1,940,651.80/2,903,979.30 = 1,310,795.80/x
  3. Step 3: Cross multiply
    1,940,651.80x = 2,903,979.30 × 1,310,795.80
  4. Step 4: Simplify right side
    1,940,651.80x = 3,806,523,869,726.94
  5. Step 5: Solve for x
    x = 3,806,523,869,726.94/1,940,651.80
  6. Step 6: Final answer
    x = 1,961,466.69

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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.