Home / 3,777,928.60-5,213,663.55-2,146,306.30

Finding the Fourth Proportional to 3,777,928.60, 5,213,663.55 and 2,146,306.30

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Solution

The fourth proportional to 3,777,928.60, 5,213,663.55 and 2,146,306.30 is: 2,961,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777,928.60 : 5,213,663.55 = 2,146,306.30 : x
  2. Step 2: Convert to fraction form
    3,777,928.60/5,213,663.55 = 2,146,306.30/x
  3. Step 3: Cross multiply
    3,777,928.60x = 5,213,663.55 × 2,146,306.30
  4. Step 4: Simplify right side
    3,777,928.60x = 11,190,118,923,445.36
  5. Step 5: Solve for x
    x = 11,190,118,923,445.36/3,777,928.60
  6. Step 6: Final answer
    x = 2,961,972.05

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1.5x scale

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.