Home / 5,321,891.52-7,979,193.60-1,910,102.40

Finding the Fourth Proportional to 5,321,891.52, 7,979,193.60 and 1,910,102.40

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Solution

The fourth proportional to 5,321,891.52, 7,979,193.60 and 1,910,102.40 is: 2,863,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,891.52 : 7,979,193.60 = 1,910,102.40 : x
  2. Step 2: Convert to fraction form
    5,321,891.52/7,979,193.60 = 1,910,102.40/x
  3. Step 3: Cross multiply
    5,321,891.52x = 7,979,193.60 × 1,910,102.40
  4. Step 4: Simplify right side
    5,321,891.52x = 15,241,076,845,424.64
  5. Step 5: Solve for x
    x = 15,241,076,845,424.64/5,321,891.52
  6. Step 6: Final answer
    x = 2,863,845.83

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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.