Home / 2,145,943.96-3,218,416.56-798,741.04

Finding the Fourth Proportional to 2,145,943.96, 3,218,416.56 and 798,741.04

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Solution

The fourth proportional to 2,145,943.96, 3,218,416.56 and 798,741.04 is: 1,197,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,943.96 : 3,218,416.56 = 798,741.04 : x
  2. Step 2: Convert to fraction form
    2,145,943.96/3,218,416.56 = 798,741.04/x
  3. Step 3: Cross multiply
    2,145,943.96x = 3,218,416.56 × 798,741.04
  4. Step 4: Simplify right side
    2,145,943.96x = 2,570,681,390,287.62
  5. Step 5: Solve for x
    x = 2,570,681,390,287.62/2,145,943.96
  6. Step 6: Final answer
    x = 1,197,925.69

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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.