Home / 1,912,648.22-2,867,640.67-847,112.66

Finding the Fourth Proportional to 1,912,648.22, 2,867,640.67 and 847,112.66

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Solution

The fourth proportional to 1,912,648.22, 2,867,640.67 and 847,112.66 is: 1,270,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,648.22 : 2,867,640.67 = 847,112.66 : x
  2. Step 2: Convert to fraction form
    1,912,648.22/2,867,640.67 = 847,112.66/x
  3. Step 3: Cross multiply
    1,912,648.22x = 2,867,640.67 × 847,112.66
  4. Step 4: Simplify right side
    1,912,648.22x = 2,429,214,715,887.88
  5. Step 5: Solve for x
    x = 2,429,214,715,887.88/1,912,648.22
  6. Step 6: Final answer
    x = 1,270,079.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.