Home / 3,548,978.96-5,324,365.74-990,192.52

Finding the Fourth Proportional to 3,548,978.96, 5,324,365.74 and 990,192.52

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Solution

The fourth proportional to 3,548,978.96, 5,324,365.74 and 990,192.52 is: 1,485,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,978.96 : 5,324,365.74 = 990,192.52 : x
  2. Step 2: Convert to fraction form
    3,548,978.96/5,324,365.74 = 990,192.52/x
  3. Step 3: Cross multiply
    3,548,978.96x = 5,324,365.74 × 990,192.52
  4. Step 4: Simplify right side
    3,548,978.96x = 5,272,147,129,492.26
  5. Step 5: Solve for x
    x = 5,272,147,129,492.26/3,548,978.96
  6. Step 6: Final answer
    x = 1,485,539.13

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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.