Home / 2,145,928.02-3,218,392.66-798,725.09

Finding the Fourth Proportional to 2,145,928.02, 3,218,392.66 and 798,725.09

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Solution

The fourth proportional to 2,145,928.02, 3,218,392.66 and 798,725.09 is: 1,197,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,928.02 : 3,218,392.66 = 798,725.09 : x
  2. Step 2: Convert to fraction form
    2,145,928.02/3,218,392.66 = 798,725.09/x
  3. Step 3: Cross multiply
    2,145,928.02x = 3,218,392.66 × 798,725.09
  4. Step 4: Simplify right side
    2,145,928.02x = 2,570,610,967,013.84
  5. Step 5: Solve for x
    x = 2,570,610,967,013.84/2,145,928.02
  6. Step 6: Final answer
    x = 1,197,901.77

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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.