Home / 3,820,022.25-5,272,379.55-2,189,522.63

Finding the Fourth Proportional to 3,820,022.25, 5,272,379.55 and 2,189,522.63

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Solution

The fourth proportional to 3,820,022.25, 5,272,379.55 and 2,189,522.63 is: 3,021,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,022.25 : 5,272,379.55 = 2,189,522.63 : x
  2. Step 2: Convert to fraction form
    3,820,022.25/5,272,379.55 = 2,189,522.63/x
  3. Step 3: Cross multiply
    3,820,022.25x = 5,272,379.55 × 2,189,522.63
  4. Step 4: Simplify right side
    3,820,022.25x = 11,543,994,312,312.32
  5. Step 5: Solve for x
    x = 11,543,994,312,312.32/3,820,022.25
  6. Step 6: Final answer
    x = 3,021,970.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.