Home / 2,864,346.03-3,951,678.78-1,639,997.21

Finding the Fourth Proportional to 2,864,346.03, 3,951,678.78 and 1,639,997.21

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Solution

The fourth proportional to 2,864,346.03, 3,951,678.78 and 1,639,997.21 is: 2,262,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,346.03 : 3,951,678.78 = 1,639,997.21 : x
  2. Step 2: Convert to fraction form
    2,864,346.03/3,951,678.78 = 1,639,997.21/x
  3. Step 3: Cross multiply
    2,864,346.03x = 3,951,678.78 × 1,639,997.21
  4. Step 4: Simplify right side
    2,864,346.03x = 6,480,742,174,016.20
  5. Step 5: Solve for x
    x = 6,480,742,174,016.20/2,864,346.03
  6. Step 6: Final answer
    x = 2,262,555.61

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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.