Home / 1,889,203.72-2,834,005.38-691,233.16

Finding the Fourth Proportional to 1,889,203.72, 2,834,005.38 and 691,233.16

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Solution

The fourth proportional to 1,889,203.72, 2,834,005.38 and 691,233.16 is: 1,036,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,203.72 : 2,834,005.38 = 691,233.16 : x
  2. Step 2: Convert to fraction form
    1,889,203.72/2,834,005.38 = 691,233.16/x
  3. Step 3: Cross multiply
    1,889,203.72x = 2,834,005.38 × 691,233.16
  4. Step 4: Simplify right side
    1,889,203.72x = 1,958,958,494,274.40
  5. Step 5: Solve for x
    x = 1,958,958,494,274.40/1,889,203.72
  6. Step 6: Final answer
    x = 1,036,922.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.