Home / 1,677,480.48-2,514,120.93-1,321,086.96

Finding the Fourth Proportional to 1,677,480.48, 2,514,120.93 and 1,321,086.96

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Solution

The fourth proportional to 1,677,480.48, 2,514,120.93 and 1,321,086.96 is: 1,979,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,480.48 : 2,514,120.93 = 1,321,086.96 : x
  2. Step 2: Convert to fraction form
    1,677,480.48/2,514,120.93 = 1,321,086.96/x
  3. Step 3: Cross multiply
    1,677,480.48x = 2,514,120.93 × 1,321,086.96
  4. Step 4: Simplify right side
    1,677,480.48x = 3,321,372,376,486.07
  5. Step 5: Solve for x
    x = 3,321,372,376,486.07/1,677,480.48
  6. Step 6: Final answer
    x = 1,979,976.77

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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.