Home / 2,188,700.48-3,284,090.40-1,515,817.28

Finding the Fourth Proportional to 2,188,700.48, 3,284,090.40 and 1,515,817.28

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Solution

The fourth proportional to 2,188,700.48, 3,284,090.40 and 1,515,817.28 is: 2,274,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,700.48 : 3,284,090.40 = 1,515,817.28 : x
  2. Step 2: Convert to fraction form
    2,188,700.48/3,284,090.40 = 1,515,817.28/x
  3. Step 3: Cross multiply
    2,188,700.48x = 3,284,090.40 × 1,515,817.28
  4. Step 4: Simplify right side
    2,188,700.48x = 4,978,080,977,402.11
  5. Step 5: Solve for x
    x = 4,978,080,977,402.11/2,188,700.48
  6. Step 6: Final answer
    x = 2,274,445.97

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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.