Home / 3,549,731.40-5,321,486.70-2,128,278.60

Finding the Fourth Proportional to 3,549,731.40, 5,321,486.70 and 2,128,278.60

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Solution

The fourth proportional to 3,549,731.40, 5,321,486.70 and 2,128,278.60 is: 3,190,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,731.40 : 5,321,486.70 = 2,128,278.60 : x
  2. Step 2: Convert to fraction form
    3,549,731.40/5,321,486.70 = 2,128,278.60/x
  3. Step 3: Cross multiply
    3,549,731.40x = 5,321,486.70 × 2,128,278.60
  4. Step 4: Simplify right side
    3,549,731.40x = 11,325,606,263,794.62
  5. Step 5: Solve for x
    x = 11,325,606,263,794.62/3,549,731.40
  6. Step 6: Final answer
    x = 3,190,553.03

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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.