Home / 3,947,692.60-5,920,653.16-1,815,728.46

Finding the Fourth Proportional to 3,947,692.60, 5,920,653.16 and 1,815,728.46

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Solution

The fourth proportional to 3,947,692.60, 5,920,653.16 and 1,815,728.46 is: 2,723,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,692.60 : 5,920,653.16 = 1,815,728.46 : x
  2. Step 2: Convert to fraction form
    3,947,692.60/5,920,653.16 = 1,815,728.46/x
  3. Step 3: Cross multiply
    3,947,692.60x = 5,920,653.16 × 1,815,728.46
  4. Step 4: Simplify right side
    3,947,692.60x = 10,750,298,444,400.93
  5. Step 5: Solve for x
    x = 10,750,298,444,400.93/3,947,692.60
  6. Step 6: Final answer
    x = 2,723,185.30

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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.