Home / 1,458,167.70-2,187,251.55-1,311,201.30

Finding the Fourth Proportional to 1,458,167.70, 2,187,251.55 and 1,311,201.30

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Solution

The fourth proportional to 1,458,167.70, 2,187,251.55 and 1,311,201.30 is: 1,966,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,167.70 : 2,187,251.55 = 1,311,201.30 : x
  2. Step 2: Convert to fraction form
    1,458,167.70/2,187,251.55 = 1,311,201.30/x
  3. Step 3: Cross multiply
    1,458,167.70x = 2,187,251.55 × 1,311,201.30
  4. Step 4: Simplify right side
    1,458,167.70x = 2,867,927,075,787.01
  5. Step 5: Solve for x
    x = 2,867,927,075,787.01/1,458,167.70
  6. Step 6: Final answer
    x = 1,966,801.95

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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.