Home / 3,419,155.80-5,128,077.60-1,023,078.60

Finding the Fourth Proportional to 3,419,155.80, 5,128,077.60 and 1,023,078.60

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Solution

The fourth proportional to 3,419,155.80, 5,128,077.60 and 1,023,078.60 is: 1,534,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,155.80 : 5,128,077.60 = 1,023,078.60 : x
  2. Step 2: Convert to fraction form
    3,419,155.80/5,128,077.60 = 1,023,078.60/x
  3. Step 3: Cross multiply
    3,419,155.80x = 5,128,077.60 × 1,023,078.60
  4. Step 4: Simplify right side
    3,419,155.80x = 5,246,426,451,699.36
  5. Step 5: Solve for x
    x = 5,246,426,451,699.36/3,419,155.80
  6. Step 6: Final answer
    x = 1,534,421.58

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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.