Home / 3,427,136.70-4,729,636.89-1,899,211.02

Finding the Fourth Proportional to 3,427,136.70, 4,729,636.89 and 1,899,211.02

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Solution

The fourth proportional to 3,427,136.70, 4,729,636.89 and 1,899,211.02 is: 2,621,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,136.70 : 4,729,636.89 = 1,899,211.02 : x
  2. Step 2: Convert to fraction form
    3,427,136.70/4,729,636.89 = 1,899,211.02/x
  3. Step 3: Cross multiply
    3,427,136.70x = 4,729,636.89 × 1,899,211.02
  4. Step 4: Simplify right side
    3,427,136.70x = 8,982,578,502,086.53
  5. Step 5: Solve for x
    x = 8,982,578,502,086.53/3,427,136.70
  6. Step 6: Final answer
    x = 2,621,015.53

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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.