Home / 5,218,784.64-7,195,257.60-3,379,994.88

Finding the Fourth Proportional to 5,218,784.64, 7,195,257.60 and 3,379,994.88

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Solution

The fourth proportional to 5,218,784.64, 7,195,257.60 and 3,379,994.88 is: 4,660,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,784.64 : 7,195,257.60 = 3,379,994.88 : x
  2. Step 2: Convert to fraction form
    5,218,784.64/7,195,257.60 = 3,379,994.88/x
  3. Step 3: Cross multiply
    5,218,784.64x = 7,195,257.60 × 3,379,994.88
  4. Step 4: Simplify right side
    5,218,784.64x = 24,319,933,848,281.09
  5. Step 5: Solve for x
    x = 24,319,933,848,281.09/5,218,784.64
  6. Step 6: Final answer
    x = 4,660,076.15

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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.