Home / 1,838,885.10-2,757,015.45-827,178.90

Finding the Fourth Proportional to 1,838,885.10, 2,757,015.45 and 827,178.90

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Solution

The fourth proportional to 1,838,885.10, 2,757,015.45 and 827,178.90 is: 1,240,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,885.10 : 2,757,015.45 = 827,178.90 : x
  2. Step 2: Convert to fraction form
    1,838,885.10/2,757,015.45 = 827,178.90/x
  3. Step 3: Cross multiply
    1,838,885.10x = 2,757,015.45 × 827,178.90
  4. Step 4: Simplify right side
    1,838,885.10x = 2,280,545,007,214.01
  5. Step 5: Solve for x
    x = 2,280,545,007,214.01/1,838,885.10
  6. Step 6: Final answer
    x = 1,240,178.09

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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.