Home / 1,591,845.90-2,198,112.72-1,540,370.91

Finding the Fourth Proportional to 1,591,845.90, 2,198,112.72 and 1,540,370.91

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Solution

The fourth proportional to 1,591,845.90, 2,198,112.72 and 1,540,370.91 is: 2,127,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,845.90 : 2,198,112.72 = 1,540,370.91 : x
  2. Step 2: Convert to fraction form
    1,591,845.90/2,198,112.72 = 1,540,370.91/x
  3. Step 3: Cross multiply
    1,591,845.90x = 2,198,112.72 × 1,540,370.91
  4. Step 4: Simplify right side
    1,591,845.90x = 3,385,908,890,788.98
  5. Step 5: Solve for x
    x = 3,385,908,890,788.98/1,591,845.90
  6. Step 6: Final answer
    x = 2,127,033.08

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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.