Home / 1,561,187.22-2,154,410.28-882,109.14

Finding the Fourth Proportional to 1,561,187.22, 2,154,410.28 and 882,109.14

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Solution

The fourth proportional to 1,561,187.22, 2,154,410.28 and 882,109.14 is: 1,217,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,187.22 : 2,154,410.28 = 882,109.14 : x
  2. Step 2: Convert to fraction form
    1,561,187.22/2,154,410.28 = 882,109.14/x
  3. Step 3: Cross multiply
    1,561,187.22x = 2,154,410.28 × 882,109.14
  4. Step 4: Simplify right side
    1,561,187.22x = 1,900,424,999,297.96
  5. Step 5: Solve for x
    x = 1,900,424,999,297.96/1,561,187.22
  6. Step 6: Final answer
    x = 1,217,294.75

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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.