Home / 1,907,179.29-2,631,908.39-1,047,794.90

Finding the Fourth Proportional to 1,907,179.29, 2,631,908.39 and 1,047,794.90

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Solution

The fourth proportional to 1,907,179.29, 2,631,908.39 and 1,047,794.90 is: 1,445,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,179.29 : 2,631,908.39 = 1,047,794.90 : x
  2. Step 2: Convert to fraction form
    1,907,179.29/2,631,908.39 = 1,047,794.90/x
  3. Step 3: Cross multiply
    1,907,179.29x = 2,631,908.39 × 1,047,794.90
  4. Step 4: Simplify right side
    1,907,179.29x = 2,757,700,169,910.69
  5. Step 5: Solve for x
    x = 2,757,700,169,910.69/1,907,179.29
  6. Step 6: Final answer
    x = 1,445,957.49

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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.