Home / 2,811,258.75-4,216,888.16-681,342.87

Finding the Fourth Proportional to 2,811,258.75, 4,216,888.16 and 681,342.87

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Solution

The fourth proportional to 2,811,258.75, 4,216,888.16 and 681,342.87 is: 1,022,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,258.75 : 4,216,888.16 = 681,342.87 : x
  2. Step 2: Convert to fraction form
    2,811,258.75/4,216,888.16 = 681,342.87/x
  3. Step 3: Cross multiply
    2,811,258.75x = 4,216,888.16 × 681,342.87
  4. Step 4: Simplify right side
    2,811,258.75x = 2,873,146,686,709.27
  5. Step 5: Solve for x
    x = 2,873,146,686,709.27/2,811,258.75
  6. Step 6: Final answer
    x = 1,022,014.31

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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.