Home / 2,155,637.31-3,233,975.48-807,811.69

Finding the Fourth Proportional to 2,155,637.31, 3,233,975.48 and 807,811.69

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Solution

The fourth proportional to 2,155,637.31, 3,233,975.48 and 807,811.69 is: 1,211,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,637.31 : 3,233,975.48 = 807,811.69 : x
  2. Step 2: Convert to fraction form
    2,155,637.31/3,233,975.48 = 807,811.69/x
  3. Step 3: Cross multiply
    2,155,637.31x = 3,233,975.48 × 807,811.69
  4. Step 4: Simplify right side
    2,155,637.31x = 2,612,443,197,917.36
  5. Step 5: Solve for x
    x = 2,612,443,197,917.36/2,155,637.31
  6. Step 6: Final answer
    x = 1,211,912.22

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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.