Home / 5,221,858.32-7,827,399-2,190,984.12

Finding the Fourth Proportional to 5,221,858.32, 7,827,399 and 2,190,984.12

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Solution

The fourth proportional to 5,221,858.32, 7,827,399 and 2,190,984.12 is: 3,284,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,858.32 : 7,827,399 = 2,190,984.12 : x
  2. Step 2: Convert to fraction form
    5,221,858.32/7,827,399 = 2,190,984.12/x
  3. Step 3: Cross multiply
    5,221,858.32x = 7,827,399 × 2,190,984.12
  4. Step 4: Simplify right side
    5,221,858.32x = 17,149,706,909,903.88
  5. Step 5: Solve for x
    x = 17,149,706,909,903.88/5,221,858.32
  6. Step 6: Final answer
    x = 3,284,215.28

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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.