Home / 2,686,189.42-4,029,721.78-793,122.22

Finding the Fourth Proportional to 2,686,189.42, 4,029,721.78 and 793,122.22

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Solution

The fourth proportional to 2,686,189.42, 4,029,721.78 and 793,122.22 is: 1,189,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,189.42 : 4,029,721.78 = 793,122.22 : x
  2. Step 2: Convert to fraction form
    2,686,189.42/4,029,721.78 = 793,122.22/x
  3. Step 3: Cross multiply
    2,686,189.42x = 4,029,721.78 × 793,122.22
  4. Step 4: Simplify right side
    2,686,189.42x = 3,196,061,884,135.95
  5. Step 5: Solve for x
    x = 3,196,061,884,135.95/2,686,189.42
  6. Step 6: Final answer
    x = 1,189,812.55

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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.