Home / 5,138,150.60-7,704,893.10-1,942,214.60

Finding the Fourth Proportional to 5,138,150.60, 7,704,893.10 and 1,942,214.60

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Solution

The fourth proportional to 5,138,150.60, 7,704,893.10 and 1,942,214.60 is: 2,912,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,150.60 : 7,704,893.10 = 1,942,214.60 : x
  2. Step 2: Convert to fraction form
    5,138,150.60/7,704,893.10 = 1,942,214.60/x
  3. Step 3: Cross multiply
    5,138,150.60x = 7,704,893.10 × 1,942,214.60
  4. Step 4: Simplify right side
    5,138,150.60x = 14,964,555,870,259.26
  5. Step 5: Solve for x
    x = 14,964,555,870,259.26/5,138,150.60
  6. Step 6: Final answer
    x = 2,912,440.10

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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.