Home / 5,480,999.80-8,221,499.70-1,694,865.40

Finding the Fourth Proportional to 5,480,999.80, 8,221,499.70 and 1,694,865.40

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Solution

The fourth proportional to 5,480,999.80, 8,221,499.70 and 1,694,865.40 is: 2,542,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,999.80 : 8,221,499.70 = 1,694,865.40 : x
  2. Step 2: Convert to fraction form
    5,480,999.80/8,221,499.70 = 1,694,865.40/x
  3. Step 3: Cross multiply
    5,480,999.80x = 8,221,499.70 × 1,694,865.40
  4. Step 4: Simplify right side
    5,480,999.80x = 13,934,335,377,640.38
  5. Step 5: Solve for x
    x = 13,934,335,377,640.38/5,480,999.80
  6. Step 6: Final answer
    x = 2,542,298.10

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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.