Home / 2,912,861.88-4,018,103.28-1,823,241.78

Finding the Fourth Proportional to 2,912,861.88, 4,018,103.28 and 1,823,241.78

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Solution

The fourth proportional to 2,912,861.88, 4,018,103.28 and 1,823,241.78 is: 2,515,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,861.88 : 4,018,103.28 = 1,823,241.78 : x
  2. Step 2: Convert to fraction form
    2,912,861.88/4,018,103.28 = 1,823,241.78/x
  3. Step 3: Cross multiply
    2,912,861.88x = 4,018,103.28 × 1,823,241.78
  4. Step 4: Simplify right side
    2,912,861.88x = 7,325,973,776,451.04
  5. Step 5: Solve for x
    x = 7,325,973,776,451.04/2,912,861.88
  6. Step 6: Final answer
    x = 2,515,043.31

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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.