Home / 1,981,804.22-2,734,874.78-1,076,392.70

Finding the Fourth Proportional to 1,981,804.22, 2,734,874.78 and 1,076,392.70

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Solution

The fourth proportional to 1,981,804.22, 2,734,874.78 and 1,076,392.70 is: 1,485,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,804.22 : 2,734,874.78 = 1,076,392.70 : x
  2. Step 2: Convert to fraction form
    1,981,804.22/2,734,874.78 = 1,076,392.70/x
  3. Step 3: Cross multiply
    1,981,804.22x = 2,734,874.78 × 1,076,392.70
  4. Step 4: Simplify right side
    1,981,804.22x = 2,943,799,248,606.11
  5. Step 5: Solve for x
    x = 2,943,799,248,606.11/1,981,804.22
  6. Step 6: Final answer
    x = 1,485,413.76

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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.