Home / 3,892,118.84-5,371,091.91-2,126,018.60

Finding the Fourth Proportional to 3,892,118.84, 5,371,091.91 and 2,126,018.60

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Solution

The fourth proportional to 3,892,118.84, 5,371,091.91 and 2,126,018.60 is: 2,933,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,118.84 : 5,371,091.91 = 2,126,018.60 : x
  2. Step 2: Convert to fraction form
    3,892,118.84/5,371,091.91 = 2,126,018.60/x
  3. Step 3: Cross multiply
    3,892,118.84x = 5,371,091.91 × 2,126,018.60
  4. Step 4: Simplify right side
    3,892,118.84x = 11,419,041,302,969.53
  5. Step 5: Solve for x
    x = 11,419,041,302,969.53/3,892,118.84
  6. Step 6: Final answer
    x = 2,933,888.14

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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.