Home / 5,181,190.20-7,771,785.30-1,635,334.20

Finding the Fourth Proportional to 5,181,190.20, 7,771,785.30 and 1,635,334.20

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Solution

The fourth proportional to 5,181,190.20, 7,771,785.30 and 1,635,334.20 is: 2,453,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,190.20 : 7,771,785.30 = 1,635,334.20 : x
  2. Step 2: Convert to fraction form
    5,181,190.20/7,771,785.30 = 1,635,334.20/x
  3. Step 3: Cross multiply
    5,181,190.20x = 7,771,785.30 × 1,635,334.20
  4. Step 4: Simplify right side
    5,181,190.20x = 12,709,466,296,147.26
  5. Step 5: Solve for x
    x = 12,709,466,296,147.26/5,181,190.20
  6. Step 6: Final answer
    x = 2,453,001.30

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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.