Home / 3,938,513.28-5,907,816.96-1,098,452.64

Finding the Fourth Proportional to 3,938,513.28, 5,907,816.96 and 1,098,452.64

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Solution

The fourth proportional to 3,938,513.28, 5,907,816.96 and 1,098,452.64 is: 1,647,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,513.28 : 5,907,816.96 = 1,098,452.64 : x
  2. Step 2: Convert to fraction form
    3,938,513.28/5,907,816.96 = 1,098,452.64/x
  3. Step 3: Cross multiply
    3,938,513.28x = 5,907,816.96 × 1,098,452.64
  4. Step 4: Simplify right side
    3,938,513.28x = 6,489,457,136,348.77
  5. Step 5: Solve for x
    x = 6,489,457,136,348.77/3,938,513.28
  6. Step 6: Final answer
    x = 1,647,692.08

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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.