Home / 6,121,815.20-9,182,431.20-2,077,906.40

Finding the Fourth Proportional to 6,121,815.20, 9,182,431.20 and 2,077,906.40

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Solution

The fourth proportional to 6,121,815.20, 9,182,431.20 and 2,077,906.40 is: 3,116,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,815.20 : 9,182,431.20 = 2,077,906.40 : x
  2. Step 2: Convert to fraction form
    6,121,815.20/9,182,431.20 = 2,077,906.40/x
  3. Step 3: Cross multiply
    6,121,815.20x = 9,182,431.20 × 2,077,906.40
  4. Step 4: Simplify right side
    6,121,815.20x = 19,080,232,558,039.68
  5. Step 5: Solve for x
    x = 19,080,232,558,039.68/6,121,815.20
  6. Step 6: Final answer
    x = 3,116,760.62

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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.