Home / 3,978,081.60-5,967,122.40-2,858,337.60

Finding the Fourth Proportional to 3,978,081.60, 5,967,122.40 and 2,858,337.60

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Solution

The fourth proportional to 3,978,081.60, 5,967,122.40 and 2,858,337.60 is: 4,287,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,081.60 : 5,967,122.40 = 2,858,337.60 : x
  2. Step 2: Convert to fraction form
    3,978,081.60/5,967,122.40 = 2,858,337.60/x
  3. Step 3: Cross multiply
    3,978,081.60x = 5,967,122.40 × 2,858,337.60
  4. Step 4: Simplify right side
    3,978,081.60x = 17,056,050,319,722.24
  5. Step 5: Solve for x
    x = 17,056,050,319,722.24/3,978,081.60
  6. Step 6: Final answer
    x = 4,287,506.40

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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.