Home / 1,917,755.09-2,647,497.05-1,400,928.72

Finding the Fourth Proportional to 1,917,755.09, 2,647,497.05 and 1,400,928.72

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Solution

The fourth proportional to 1,917,755.09, 2,647,497.05 and 1,400,928.72 is: 1,934,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,755.09 : 2,647,497.05 = 1,400,928.72 : x
  2. Step 2: Convert to fraction form
    1,917,755.09/2,647,497.05 = 1,400,928.72/x
  3. Step 3: Cross multiply
    1,917,755.09x = 2,647,497.05 × 1,400,928.72
  4. Step 4: Simplify right side
    1,917,755.09x = 3,708,954,641,781.00
  5. Step 5: Solve for x
    x = 3,708,954,641,781.00/1,917,755.09
  6. Step 6: Final answer
    x = 1,934,008.50

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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.