Home / 1,816,384.20-2,719,910.70-1,440,025.80

Finding the Fourth Proportional to 1,816,384.20, 2,719,910.70 and 1,440,025.80

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Solution

The fourth proportional to 1,816,384.20, 2,719,910.70 and 1,440,025.80 is: 2,156,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,384.20 : 2,719,910.70 = 1,440,025.80 : x
  2. Step 2: Convert to fraction form
    1,816,384.20/2,719,910.70 = 1,440,025.80/x
  3. Step 3: Cross multiply
    1,816,384.20x = 2,719,910.70 × 1,440,025.80
  4. Step 4: Simplify right side
    1,816,384.20x = 3,916,741,581,696.06
  5. Step 5: Solve for x
    x = 3,916,741,581,696.06/1,816,384.20
  6. Step 6: Final answer
    x = 2,156,339.82

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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.