Home / 1,981,733-2,734,700.02-1,122,299.41

Finding the Fourth Proportional to 1,981,733, 2,734,700.02 and 1,122,299.41

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Solution

The fourth proportional to 1,981,733, 2,734,700.02 and 1,122,299.41 is: 1,548,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,733 : 2,734,700.02 = 1,122,299.41 : x
  2. Step 2: Convert to fraction form
    1,981,733/2,734,700.02 = 1,122,299.41/x
  3. Step 3: Cross multiply
    1,981,733x = 2,734,700.02 × 1,122,299.41
  4. Step 4: Simplify right side
    1,981,733x = 3,069,152,218,972.99
  5. Step 5: Solve for x
    x = 3,069,152,218,972.99/1,981,733
  6. Step 6: Final answer
    x = 1,548,721.36

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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.