Home / 1,800,816.57-2,485,034.10-984,861.45

Finding the Fourth Proportional to 1,800,816.57, 2,485,034.10 and 984,861.45

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Solution

The fourth proportional to 1,800,816.57, 2,485,034.10 and 984,861.45 is: 1,359,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,816.57 : 2,485,034.10 = 984,861.45 : x
  2. Step 2: Convert to fraction form
    1,800,816.57/2,485,034.10 = 984,861.45/x
  3. Step 3: Cross multiply
    1,800,816.57x = 2,485,034.10 × 984,861.45
  4. Step 4: Simplify right side
    1,800,816.57x = 2,447,414,287,025.44
  5. Step 5: Solve for x
    x = 2,447,414,287,025.44/1,800,816.57
  6. Step 6: Final answer
    x = 1,359,058.07

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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.