Home / 1,938,672.40-2,908,469.40-816,163.60

Finding the Fourth Proportional to 1,938,672.40, 2,908,469.40 and 816,163.60

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Solution

The fourth proportional to 1,938,672.40, 2,908,469.40 and 816,163.60 is: 1,224,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,672.40 : 2,908,469.40 = 816,163.60 : x
  2. Step 2: Convert to fraction form
    1,938,672.40/2,908,469.40 = 816,163.60/x
  3. Step 3: Cross multiply
    1,938,672.40x = 2,908,469.40 × 816,163.60
  4. Step 4: Simplify right side
    1,938,672.40x = 2,373,786,855,993.84
  5. Step 5: Solve for x
    x = 2,373,786,855,993.84/1,938,672.40
  6. Step 6: Final answer
    x = 1,224,439.39

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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.