Home / 1,838,253.78-2,536,753.83-1,022,439.90

Finding the Fourth Proportional to 1,838,253.78, 2,536,753.83 and 1,022,439.90

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Solution

The fourth proportional to 1,838,253.78, 2,536,753.83 and 1,022,439.90 is: 1,410,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,253.78 : 2,536,753.83 = 1,022,439.90 : x
  2. Step 2: Convert to fraction form
    1,838,253.78/2,536,753.83 = 1,022,439.90/x
  3. Step 3: Cross multiply
    1,838,253.78x = 2,536,753.83 × 1,022,439.90
  4. Step 4: Simplify right side
    1,838,253.78x = 2,593,678,332,269.82
  5. Step 5: Solve for x
    x = 2,593,678,332,269.82/1,838,253.78
  6. Step 6: Final answer
    x = 1,410,946.82

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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.