Home / 1,981,632.92-2,734,669.50-1,076,221.40

Finding the Fourth Proportional to 1,981,632.92, 2,734,669.50 and 1,076,221.40

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Solution

The fourth proportional to 1,981,632.92, 2,734,669.50 and 1,076,221.40 is: 1,485,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,632.92 : 2,734,669.50 = 1,076,221.40 : x
  2. Step 2: Convert to fraction form
    1,981,632.92/2,734,669.50 = 1,076,221.40/x
  3. Step 3: Cross multiply
    1,981,632.92x = 2,734,669.50 × 1,076,221.40
  4. Step 4: Simplify right side
    1,981,632.92x = 2,943,109,837,827.30
  5. Step 5: Solve for x
    x = 2,943,109,837,827.30/1,981,632.92
  6. Step 6: Final answer
    x = 1,485,194.26

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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.