Home / 1,689,974.30-2,534,961.45-1,577,999.90

Finding the Fourth Proportional to 1,689,974.30, 2,534,961.45 and 1,577,999.90

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Solution

The fourth proportional to 1,689,974.30, 2,534,961.45 and 1,577,999.90 is: 2,366,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,974.30 : 2,534,961.45 = 1,577,999.90 : x
  2. Step 2: Convert to fraction form
    1,689,974.30/2,534,961.45 = 1,577,999.90/x
  3. Step 3: Cross multiply
    1,689,974.30x = 2,534,961.45 × 1,577,999.90
  4. Step 4: Simplify right side
    1,689,974.30x = 4,000,168,914,603.86
  5. Step 5: Solve for x
    x = 4,000,168,914,603.86/1,689,974.30
  6. Step 6: Final answer
    x = 2,366,999.85

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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.