Home / 1,561,181.22-2,154,402.09-882,103.14

Finding the Fourth Proportional to 1,561,181.22, 2,154,402.09 and 882,103.14

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Solution

The fourth proportional to 1,561,181.22, 2,154,402.09 and 882,103.14 is: 1,217,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,181.22 : 2,154,402.09 = 882,103.14 : x
  2. Step 2: Convert to fraction form
    1,561,181.22/2,154,402.09 = 882,103.14/x
  3. Step 3: Cross multiply
    1,561,181.22x = 2,154,402.09 × 882,103.14
  4. Step 4: Simplify right side
    1,561,181.22x = 1,900,404,848,411.56
  5. Step 5: Solve for x
    x = 1,900,404,848,411.56/1,561,181.22
  6. Step 6: Final answer
    x = 1,217,286.52

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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.