Home / 5,377,979.20-8,066,968.80-3,474,414.40

Finding the Fourth Proportional to 5,377,979.20, 8,066,968.80 and 3,474,414.40

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Solution

The fourth proportional to 5,377,979.20, 8,066,968.80 and 3,474,414.40 is: 5,211,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,979.20 : 8,066,968.80 = 3,474,414.40 : x
  2. Step 2: Convert to fraction form
    5,377,979.20/8,066,968.80 = 3,474,414.40/x
  3. Step 3: Cross multiply
    5,377,979.20x = 8,066,968.80 × 3,474,414.40
  4. Step 4: Simplify right side
    5,377,979.20x = 28,027,992,563,070.72
  5. Step 5: Solve for x
    x = 28,027,992,563,070.72/5,377,979.20
  6. Step 6: Final answer
    x = 5,211,621.60

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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.