Home / 2,892,120-4,339,692.72-2,099,945.04

Finding the Fourth Proportional to 2,892,120, 4,339,692.72 and 2,099,945.04

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Solution

The fourth proportional to 2,892,120, 4,339,692.72 and 2,099,945.04 is: 3,151,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,120 : 4,339,692.72 = 2,099,945.04 : x
  2. Step 2: Convert to fraction form
    2,892,120/4,339,692.72 = 2,099,945.04/x
  3. Step 3: Cross multiply
    2,892,120x = 4,339,692.72 × 2,099,945.04
  4. Step 4: Simplify right side
    2,892,120x = 9,113,116,202,488.11
  5. Step 5: Solve for x
    x = 9,113,116,202,488.11/2,892,120
  6. Step 6: Final answer
    x = 3,151,015.93

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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.