Home / 3,526,077.20-5,290,865.40-1,396,230.80

Finding the Fourth Proportional to 3,526,077.20, 5,290,865.40 and 1,396,230.80

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Solution

The fourth proportional to 3,526,077.20, 5,290,865.40 and 1,396,230.80 is: 2,095,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,077.20 : 5,290,865.40 = 1,396,230.80 : x
  2. Step 2: Convert to fraction form
    3,526,077.20/5,290,865.40 = 1,396,230.80/x
  3. Step 3: Cross multiply
    3,526,077.20x = 5,290,865.40 × 1,396,230.80
  4. Step 4: Simplify right side
    3,526,077.20x = 7,387,269,230,134.32
  5. Step 5: Solve for x
    x = 7,387,269,230,134.32/3,526,077.20
  6. Step 6: Final answer
    x = 2,095,038.99

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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.