Home / 3,391,980-5,090,302.80-1,397,436

Finding the Fourth Proportional to 3,391,980, 5,090,302.80 and 1,397,436

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Solution

The fourth proportional to 3,391,980, 5,090,302.80 and 1,397,436 is: 2,097,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,980 : 5,090,302.80 = 1,397,436 : x
  2. Step 2: Convert to fraction form
    3,391,980/5,090,302.80 = 1,397,436/x
  3. Step 3: Cross multiply
    3,391,980x = 5,090,302.80 × 1,397,436
  4. Step 4: Simplify right side
    3,391,980x = 7,113,372,383,620.80
  5. Step 5: Solve for x
    x = 7,113,372,383,620.80/3,391,980
  6. Step 6: Final answer
    x = 2,097,115.07

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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.