Home / 5,190,299.21-7,785,451.54-1,352,111.48

Finding the Fourth Proportional to 5,190,299.21, 7,785,451.54 and 1,352,111.48

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Solution

The fourth proportional to 5,190,299.21, 7,785,451.54 and 1,352,111.48 is: 2,028,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,299.21 : 7,785,451.54 = 1,352,111.48 : x
  2. Step 2: Convert to fraction form
    5,190,299.21/7,785,451.54 = 1,352,111.48/x
  3. Step 3: Cross multiply
    5,190,299.21x = 7,785,451.54 × 1,352,111.48
  4. Step 4: Simplify right side
    5,190,299.21x = 10,526,798,391,652.86
  5. Step 5: Solve for x
    x = 10,526,798,391,652.86/5,190,299.21
  6. Step 6: Final answer
    x = 2,028,167.93

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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.