Home / 1,665,999.70-2,498,999.55-1,536,091.90

Finding the Fourth Proportional to 1,665,999.70, 2,498,999.55 and 1,536,091.90

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Solution

The fourth proportional to 1,665,999.70, 2,498,999.55 and 1,536,091.90 is: 2,304,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,999.70 : 2,498,999.55 = 1,536,091.90 : x
  2. Step 2: Convert to fraction form
    1,665,999.70/2,498,999.55 = 1,536,091.90/x
  3. Step 3: Cross multiply
    1,665,999.70x = 2,498,999.55 × 1,536,091.90
  4. Step 4: Simplify right side
    1,665,999.70x = 3,838,692,966,858.64
  5. Step 5: Solve for x
    x = 3,838,692,966,858.64/1,665,999.70
  6. Step 6: Final answer
    x = 2,304,137.85

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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.