Home / 1,981,726.89-2,734,797.11-1,076,308.89

Finding the Fourth Proportional to 1,981,726.89, 2,734,797.11 and 1,076,308.89

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Solution

The fourth proportional to 1,981,726.89, 2,734,797.11 and 1,076,308.89 is: 1,485,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,726.89 : 2,734,797.11 = 1,076,308.89 : x
  2. Step 2: Convert to fraction form
    1,981,726.89/2,734,797.11 = 1,076,308.89/x
  3. Step 3: Cross multiply
    1,981,726.89x = 2,734,797.11 × 1,076,308.89
  4. Step 4: Simplify right side
    1,981,726.89x = 2,943,486,436,457.76
  5. Step 5: Solve for x
    x = 2,943,486,436,457.76/1,981,726.89
  6. Step 6: Final answer
    x = 1,485,313.87

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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.