Home / 1,905,179.97-2,629,156.82-1,045,747.29

Finding the Fourth Proportional to 1,905,179.97, 2,629,156.82 and 1,045,747.29

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Solution

The fourth proportional to 1,905,179.97, 2,629,156.82 and 1,045,747.29 is: 1,443,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,179.97 : 2,629,156.82 = 1,045,747.29 : x
  2. Step 2: Convert to fraction form
    1,905,179.97/2,629,156.82 = 1,045,747.29/x
  3. Step 3: Cross multiply
    1,905,179.97x = 2,629,156.82 × 1,045,747.29
  4. Step 4: Simplify right side
    1,905,179.97x = 2,749,433,614,271.28
  5. Step 5: Solve for x
    x = 2,749,433,614,271.28/1,905,179.97
  6. Step 6: Final answer
    x = 1,443,135.90

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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.