Home / 1,981,738.89-2,734,813.67-1,076,320.89

Finding the Fourth Proportional to 1,981,738.89, 2,734,813.67 and 1,076,320.89

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Solution

The fourth proportional to 1,981,738.89, 2,734,813.67 and 1,076,320.89 is: 1,485,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,738.89 : 2,734,813.67 = 1,076,320.89 : x
  2. Step 2: Convert to fraction form
    1,981,738.89/2,734,813.67 = 1,076,320.89/x
  3. Step 3: Cross multiply
    1,981,738.89x = 2,734,813.67 × 1,076,320.89
  4. Step 4: Simplify right side
    1,981,738.89x = 2,943,537,077,896.96
  5. Step 5: Solve for x
    x = 2,943,537,077,896.96/1,981,738.89
  6. Step 6: Final answer
    x = 1,485,330.43

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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.