Home / 3,721,128.40-5,581,692.60-1,327,675.60

Finding the Fourth Proportional to 3,721,128.40, 5,581,692.60 and 1,327,675.60

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Solution

The fourth proportional to 3,721,128.40, 5,581,692.60 and 1,327,675.60 is: 1,991,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,128.40 : 5,581,692.60 = 1,327,675.60 : x
  2. Step 2: Convert to fraction form
    3,721,128.40/5,581,692.60 = 1,327,675.60/x
  3. Step 3: Cross multiply
    3,721,128.40x = 5,581,692.60 × 1,327,675.60
  4. Step 4: Simplify right side
    3,721,128.40x = 7,410,677,071,720.56
  5. Step 5: Solve for x
    x = 7,410,677,071,720.56/3,721,128.40
  6. Step 6: Final answer
    x = 1,991,513.40

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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.