Home / 3,191,025.60-4,789,149.60-3,166,142.40

Finding the Fourth Proportional to 3,191,025.60, 4,789,149.60 and 3,166,142.40

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Solution

The fourth proportional to 3,191,025.60, 4,789,149.60 and 3,166,142.40 is: 4,751,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,025.60 : 4,789,149.60 = 3,166,142.40 : x
  2. Step 2: Convert to fraction form
    3,191,025.60/4,789,149.60 = 3,166,142.40/x
  3. Step 3: Cross multiply
    3,191,025.60x = 4,789,149.60 × 3,166,142.40
  4. Step 4: Simplify right side
    3,191,025.60x = 15,163,129,608,503.04
  5. Step 5: Solve for x
    x = 15,163,129,608,503.04/3,191,025.60
  6. Step 6: Final answer
    x = 4,751,804.44

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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.