Home / 5,393,879.60-8,090,819.40-1,404,791.60

Finding the Fourth Proportional to 5,393,879.60, 8,090,819.40 and 1,404,791.60

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Solution

The fourth proportional to 5,393,879.60, 8,090,819.40 and 1,404,791.60 is: 2,107,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393,879.60 : 8,090,819.40 = 1,404,791.60 : x
  2. Step 2: Convert to fraction form
    5,393,879.60/8,090,819.40 = 1,404,791.60/x
  3. Step 3: Cross multiply
    5,393,879.60x = 8,090,819.40 × 1,404,791.60
  4. Step 4: Simplify right side
    5,393,879.60x = 11,365,915,130,237.04
  5. Step 5: Solve for x
    x = 11,365,915,130,237.04/5,393,879.60
  6. Step 6: Final answer
    x = 2,107,187.40

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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.