Home / 3,512,678.25-4,845,720.15-2,351,173.89

Finding the Fourth Proportional to 3,512,678.25, 4,845,720.15 and 2,351,173.89

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Solution

The fourth proportional to 3,512,678.25, 4,845,720.15 and 2,351,173.89 is: 3,243,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,678.25 : 4,845,720.15 = 2,351,173.89 : x
  2. Step 2: Convert to fraction form
    3,512,678.25/4,845,720.15 = 2,351,173.89/x
  3. Step 3: Cross multiply
    3,512,678.25x = 4,845,720.15 × 2,351,173.89
  4. Step 4: Simplify right side
    3,512,678.25x = 11,393,130,694,926.88
  5. Step 5: Solve for x
    x = 11,393,130,694,926.88/3,512,678.25
  6. Step 6: Final answer
    x = 3,243,431.33

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1.5x scale

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.