Home / 3,114,522.78-4,298,144.36-1,807,676.88

Finding the Fourth Proportional to 3,114,522.78, 4,298,144.36 and 1,807,676.88

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Solution

The fourth proportional to 3,114,522.78, 4,298,144.36 and 1,807,676.88 is: 2,494,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,522.78 : 4,298,144.36 = 1,807,676.88 : x
  2. Step 2: Convert to fraction form
    3,114,522.78/4,298,144.36 = 1,807,676.88/x
  3. Step 3: Cross multiply
    3,114,522.78x = 4,298,144.36 × 1,807,676.88
  4. Step 4: Simplify right side
    3,114,522.78x = 7,769,656,177,436.01
  5. Step 5: Solve for x
    x = 7,769,656,177,436.01/3,114,522.78
  6. Step 6: Final answer
    x = 2,494,653.83

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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.