Home / 2,791,203.68-3,851,400.48-1,645,505.66

Finding the Fourth Proportional to 2,791,203.68, 3,851,400.48 and 1,645,505.66

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Solution

The fourth proportional to 2,791,203.68, 3,851,400.48 and 1,645,505.66 is: 2,270,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,203.68 : 3,851,400.48 = 1,645,505.66 : x
  2. Step 2: Convert to fraction form
    2,791,203.68/3,851,400.48 = 1,645,505.66/x
  3. Step 3: Cross multiply
    2,791,203.68x = 3,851,400.48 × 1,645,505.66
  4. Step 4: Simplify right side
    2,791,203.68x = 6,337,501,288,766.72
  5. Step 5: Solve for x
    x = 6,337,501,288,766.72/2,791,203.68
  6. Step 6: Final answer
    x = 2,270,526.27

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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.