Home / 2,148,489.12-2,964,989.28-1,181,692.56

Finding the Fourth Proportional to 2,148,489.12, 2,964,989.28 and 1,181,692.56

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Solution

The fourth proportional to 2,148,489.12, 2,964,989.28 and 1,181,692.56 is: 1,630,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,489.12 : 2,964,989.28 = 1,181,692.56 : x
  2. Step 2: Convert to fraction form
    2,148,489.12/2,964,989.28 = 1,181,692.56/x
  3. Step 3: Cross multiply
    2,148,489.12x = 2,964,989.28 × 1,181,692.56
  4. Step 4: Simplify right side
    2,148,489.12x = 3,503,705,772,655.76
  5. Step 5: Solve for x
    x = 3,503,705,772,655.76/2,148,489.12
  6. Step 6: Final answer
    x = 1,630,776.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.