Home / 4,757,240.16-7,135,918.56-1,391,515.20

Finding the Fourth Proportional to 4,757,240.16, 7,135,918.56 and 1,391,515.20

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Solution

The fourth proportional to 4,757,240.16, 7,135,918.56 and 1,391,515.20 is: 2,087,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757,240.16 : 7,135,918.56 = 1,391,515.20 : x
  2. Step 2: Convert to fraction form
    4,757,240.16/7,135,918.56 = 1,391,515.20/x
  3. Step 3: Cross multiply
    4,757,240.16x = 7,135,918.56 × 1,391,515.20
  4. Step 4: Simplify right side
    4,757,240.16x = 9,929,739,142,202.11
  5. Step 5: Solve for x
    x = 9,929,739,142,202.11/4,757,240.16
  6. Step 6: Final answer
    x = 2,087,289.86

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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.