Home / 3,679,687.35-5,519,142.81-984,284.55

Finding the Fourth Proportional to 3,679,687.35, 5,519,142.81 and 984,284.55

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Solution

The fourth proportional to 3,679,687.35, 5,519,142.81 and 984,284.55 is: 1,476,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,687.35 : 5,519,142.81 = 984,284.55 : x
  2. Step 2: Convert to fraction form
    3,679,687.35/5,519,142.81 = 984,284.55/x
  3. Step 3: Cross multiply
    3,679,687.35x = 5,519,142.81 × 984,284.55
  4. Step 4: Simplify right side
    3,679,687.35x = 5,432,406,997,126.59
  5. Step 5: Solve for x
    x = 5,432,406,997,126.59/3,679,687.35
  6. Step 6: Final answer
    x = 1,476,322.98

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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.