Home / 2,165,041.92-2,987,784.96-1,198,169.76

Finding the Fourth Proportional to 2,165,041.92, 2,987,784.96 and 1,198,169.76

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Solution

The fourth proportional to 2,165,041.92, 2,987,784.96 and 1,198,169.76 is: 1,653,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,041.92 : 2,987,784.96 = 1,198,169.76 : x
  2. Step 2: Convert to fraction form
    2,165,041.92/2,987,784.96 = 1,198,169.76/x
  3. Step 3: Cross multiply
    2,165,041.92x = 2,987,784.96 × 1,198,169.76
  4. Step 4: Simplify right side
    2,165,041.92x = 3,579,873,588,454.81
  5. Step 5: Solve for x
    x = 3,579,873,588,454.81/2,165,041.92
  6. Step 6: Final answer
    x = 1,653,489.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.