Home / 2,206,940.30-3,045,480.41-1,289,254.44

Finding the Fourth Proportional to 2,206,940.30, 3,045,480.41 and 1,289,254.44

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Solution

The fourth proportional to 2,206,940.30, 3,045,480.41 and 1,289,254.44 is: 1,779,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,940.30 : 3,045,480.41 = 1,289,254.44 : x
  2. Step 2: Convert to fraction form
    2,206,940.30/3,045,480.41 = 1,289,254.44/x
  3. Step 3: Cross multiply
    2,206,940.30x = 3,045,480.41 × 1,289,254.44
  4. Step 4: Simplify right side
    2,206,940.30x = 3,926,399,143,748.66
  5. Step 5: Solve for x
    x = 3,926,399,143,748.66/2,206,940.30
  6. Step 6: Final answer
    x = 1,779,114.35

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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.