Home / 4,988,385.32-7,482,593.72-1,394,128.58

Finding the Fourth Proportional to 4,988,385.32, 7,482,593.72 and 1,394,128.58

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Solution

The fourth proportional to 4,988,385.32, 7,482,593.72 and 1,394,128.58 is: 2,091,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,385.32 : 7,482,593.72 = 1,394,128.58 : x
  2. Step 2: Convert to fraction form
    4,988,385.32/7,482,593.72 = 1,394,128.58/x
  3. Step 3: Cross multiply
    4,988,385.32x = 7,482,593.72 × 1,394,128.58
  4. Step 4: Simplify right side
    4,988,385.32x = 10,431,697,757,580.52
  5. Step 5: Solve for x
    x = 10,431,697,757,580.52/4,988,385.32
  6. Step 6: Final answer
    x = 2,091,197.27

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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.