Home / 4,985,115.20-7,460,469.60-2,992,001.60

Finding the Fourth Proportional to 4,985,115.20, 7,460,469.60 and 2,992,001.60

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Solution

The fourth proportional to 4,985,115.20, 7,460,469.60 and 2,992,001.60 is: 4,477,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,115.20 : 7,460,469.60 = 2,992,001.60 : x
  2. Step 2: Convert to fraction form
    4,985,115.20/7,460,469.60 = 2,992,001.60/x
  3. Step 3: Cross multiply
    4,985,115.20x = 7,460,469.60 × 2,992,001.60
  4. Step 4: Simplify right side
    4,985,115.20x = 22,321,736,979,951.36
  5. Step 5: Solve for x
    x = 22,321,736,979,951.36/4,985,115.20
  6. Step 6: Final answer
    x = 4,477,677.26

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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.