Home / 2,378,457.33-3,282,273.19-1,290,728.87

Finding the Fourth Proportional to 2,378,457.33, 3,282,273.19 and 1,290,728.87

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Solution

The fourth proportional to 2,378,457.33, 3,282,273.19 and 1,290,728.87 is: 1,781,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,457.33 : 3,282,273.19 = 1,290,728.87 : x
  2. Step 2: Convert to fraction form
    2,378,457.33/3,282,273.19 = 1,290,728.87/x
  3. Step 3: Cross multiply
    2,378,457.33x = 3,282,273.19 × 1,290,728.87
  4. Step 4: Simplify right side
    2,378,457.33x = 4,236,524,765,560.00
  5. Step 5: Solve for x
    x = 4,236,524,765,560.00/2,378,457.33
  6. Step 6: Final answer
    x = 1,781,206.97

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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.