Home / 1,982,091.32-2,735,212.92-1,076,653.88

Finding the Fourth Proportional to 1,982,091.32, 2,735,212.92 and 1,076,653.88

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Solution

The fourth proportional to 1,982,091.32, 2,735,212.92 and 1,076,653.88 is: 1,485,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,091.32 : 2,735,212.92 = 1,076,653.88 : x
  2. Step 2: Convert to fraction form
    1,982,091.32/2,735,212.92 = 1,076,653.88/x
  3. Step 3: Cross multiply
    1,982,091.32x = 2,735,212.92 × 1,076,653.88
  4. Step 4: Simplify right side
    1,982,091.32x = 2,944,877,602,944.13
  5. Step 5: Solve for x
    x = 2,944,877,602,944.13/1,982,091.32
  6. Step 6: Final answer
    x = 1,485,742.65

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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.