Home / 2,145,968.16-3,218,953.38-797,955.60

Finding the Fourth Proportional to 2,145,968.16, 3,218,953.38 and 797,955.60

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Solution

The fourth proportional to 2,145,968.16, 3,218,953.38 and 797,955.60 is: 1,196,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,968.16 : 3,218,953.38 = 797,955.60 : x
  2. Step 2: Convert to fraction form
    2,145,968.16/3,218,953.38 = 797,955.60/x
  3. Step 3: Cross multiply
    2,145,968.16x = 3,218,953.38 × 797,955.60
  4. Step 4: Simplify right side
    2,145,968.16x = 2,568,581,889,277.17
  5. Step 5: Solve for x
    x = 2,568,581,889,277.17/2,145,968.16
  6. Step 6: Final answer
    x = 1,196,933.83

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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.