Home / 3,162,119.20-4,363,723.60-1,711,813.60

Finding the Fourth Proportional to 3,162,119.20, 4,363,723.60 and 1,711,813.60

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Solution

The fourth proportional to 3,162,119.20, 4,363,723.60 and 1,711,813.60 is: 2,362,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,119.20 : 4,363,723.60 = 1,711,813.60 : x
  2. Step 2: Convert to fraction form
    3,162,119.20/4,363,723.60 = 1,711,813.60/x
  3. Step 3: Cross multiply
    3,162,119.20x = 4,363,723.60 × 1,711,813.60
  4. Step 4: Simplify right side
    3,162,119.20x = 7,469,881,405,120.96
  5. Step 5: Solve for x
    x = 7,469,881,405,120.96/3,162,119.20
  6. Step 6: Final answer
    x = 2,362,302.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.