Home / 3,919,795.20-5,876,582.40-2,146,867.20

Finding the Fourth Proportional to 3,919,795.20, 5,876,582.40 and 2,146,867.20

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Solution

The fourth proportional to 3,919,795.20, 5,876,582.40 and 2,146,867.20 is: 3,218,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,795.20 : 5,876,582.40 = 2,146,867.20 : x
  2. Step 2: Convert to fraction form
    3,919,795.20/5,876,582.40 = 2,146,867.20/x
  3. Step 3: Cross multiply
    3,919,795.20x = 5,876,582.40 × 2,146,867.20
  4. Step 4: Simplify right side
    3,919,795.20x = 12,616,242,002,657.28
  5. Step 5: Solve for x
    x = 12,616,242,002,657.28/3,919,795.20
  6. Step 6: Final answer
    x = 3,218,597.24

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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.