Home / 2,051,841.97-3,077,921.83-685,620.40

Finding the Fourth Proportional to 2,051,841.97, 3,077,921.83 and 685,620.40

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Solution

The fourth proportional to 2,051,841.97, 3,077,921.83 and 685,620.40 is: 1,028,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,841.97 : 3,077,921.83 = 685,620.40 : x
  2. Step 2: Convert to fraction form
    2,051,841.97/3,077,921.83 = 685,620.40/x
  3. Step 3: Cross multiply
    2,051,841.97x = 3,077,921.83 × 685,620.40
  4. Step 4: Simplify right side
    2,051,841.97x = 2,110,285,986,844.48
  5. Step 5: Solve for x
    x = 2,110,285,986,844.48/2,051,841.97
  6. Step 6: Final answer
    x = 1,028,483.68

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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.