Home / 2,870,565.19-4,305,167.57-821,162.56

Finding the Fourth Proportional to 2,870,565.19, 4,305,167.57 and 821,162.56

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Solution

The fourth proportional to 2,870,565.19, 4,305,167.57 and 821,162.56 is: 1,231,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,565.19 : 4,305,167.57 = 821,162.56 : x
  2. Step 2: Convert to fraction form
    2,870,565.19/4,305,167.57 = 821,162.56/x
  3. Step 3: Cross multiply
    2,870,565.19x = 4,305,167.57 × 821,162.56
  4. Step 4: Simplify right side
    2,870,565.19x = 3,535,242,412,241.62
  5. Step 5: Solve for x
    x = 3,535,242,412,241.62/2,870,565.19
  6. Step 6: Final answer
    x = 1,231,549.25

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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.