Home / 2,253,136.36-3,109,452.69-1,286,577.13

Finding the Fourth Proportional to 2,253,136.36, 3,109,452.69 and 1,286,577.13

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Solution

The fourth proportional to 2,253,136.36, 3,109,452.69 and 1,286,577.13 is: 1,775,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,136.36 : 3,109,452.69 = 1,286,577.13 : x
  2. Step 2: Convert to fraction form
    2,253,136.36/3,109,452.69 = 1,286,577.13/x
  3. Step 3: Cross multiply
    2,253,136.36x = 3,109,452.69 × 1,286,577.13
  4. Step 4: Simplify right side
    2,253,136.36x = 4,000,550,717,770.98
  5. Step 5: Solve for x
    x = 4,000,550,717,770.98/2,253,136.36
  6. Step 6: Final answer
    x = 1,775,547.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.