Home / 3,149,128.40-4,723,692.60-874,648.40

Finding the Fourth Proportional to 3,149,128.40, 4,723,692.60 and 874,648.40

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Solution

The fourth proportional to 3,149,128.40, 4,723,692.60 and 874,648.40 is: 1,311,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,128.40 : 4,723,692.60 = 874,648.40 : x
  2. Step 2: Convert to fraction form
    3,149,128.40/4,723,692.60 = 874,648.40/x
  3. Step 3: Cross multiply
    3,149,128.40x = 4,723,692.60 × 874,648.40
  4. Step 4: Simplify right side
    3,149,128.40x = 4,131,570,174,681.84
  5. Step 5: Solve for x
    x = 4,131,570,174,681.84/3,149,128.40
  6. Step 6: Final answer
    x = 1,311,972.60

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Similar ratio
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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.