Home / 1,981,615.92-2,734,646.04-1,076,204.40

Finding the Fourth Proportional to 1,981,615.92, 2,734,646.04 and 1,076,204.40

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Solution

The fourth proportional to 1,981,615.92, 2,734,646.04 and 1,076,204.40 is: 1,485,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,615.92 : 2,734,646.04 = 1,076,204.40 : x
  2. Step 2: Convert to fraction form
    1,981,615.92/2,734,646.04 = 1,076,204.40/x
  3. Step 3: Cross multiply
    1,981,615.92x = 2,734,646.04 × 1,076,204.40
  4. Step 4: Simplify right side
    1,981,615.92x = 2,943,038,100,690.58
  5. Step 5: Solve for x
    x = 2,943,038,100,690.58/1,981,615.92
  6. Step 6: Final answer
    x = 1,485,170.80

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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.