Home / 3,228,705.69-4,455,225.65-1,851,978.25

Finding the Fourth Proportional to 3,228,705.69, 4,455,225.65 and 1,851,978.25

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Solution

The fourth proportional to 3,228,705.69, 4,455,225.65 and 1,851,978.25 is: 2,555,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,705.69 : 4,455,225.65 = 1,851,978.25 : x
  2. Step 2: Convert to fraction form
    3,228,705.69/4,455,225.65 = 1,851,978.25/x
  3. Step 3: Cross multiply
    3,228,705.69x = 4,455,225.65 × 1,851,978.25
  4. Step 4: Simplify right side
    3,228,705.69x = 8,250,981,002,642.11
  5. Step 5: Solve for x
    x = 8,250,981,002,642.11/3,228,705.69
  6. Step 6: Final answer
    x = 2,555,507.31

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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.