Home / 5,129,296.40-7,693,944.60-2,137,091.60

Finding the Fourth Proportional to 5,129,296.40, 7,693,944.60 and 2,137,091.60

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Solution

The fourth proportional to 5,129,296.40, 7,693,944.60 and 2,137,091.60 is: 3,205,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,296.40 : 7,693,944.60 = 2,137,091.60 : x
  2. Step 2: Convert to fraction form
    5,129,296.40/7,693,944.60 = 2,137,091.60/x
  3. Step 3: Cross multiply
    5,129,296.40x = 7,693,944.60 × 2,137,091.60
  4. Step 4: Simplify right side
    5,129,296.40x = 16,442,664,375,525.36
  5. Step 5: Solve for x
    x = 16,442,664,375,525.36/5,129,296.40
  6. Step 6: Final answer
    x = 3,205,637.40

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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.