Home / 2,172,864.56-2,998,530.43-1,206,003.20

Finding the Fourth Proportional to 2,172,864.56, 2,998,530.43 and 1,206,003.20

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Solution

The fourth proportional to 2,172,864.56, 2,998,530.43 and 1,206,003.20 is: 1,664,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,864.56 : 2,998,530.43 = 1,206,003.20 : x
  2. Step 2: Convert to fraction form
    2,172,864.56/2,998,530.43 = 1,206,003.20/x
  3. Step 3: Cross multiply
    2,172,864.56x = 2,998,530.43 × 1,206,003.20
  4. Step 4: Simplify right side
    2,172,864.56x = 3,616,237,275,869.72
  5. Step 5: Solve for x
    x = 3,616,237,275,869.72/2,172,864.56
  6. Step 6: Final answer
    x = 1,664,271.83

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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.