Home / 2,831,761.80-4,247,642.70-837,217.80

Finding the Fourth Proportional to 2,831,761.80, 4,247,642.70 and 837,217.80

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Solution

The fourth proportional to 2,831,761.80, 4,247,642.70 and 837,217.80 is: 1,255,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,761.80 : 4,247,642.70 = 837,217.80 : x
  2. Step 2: Convert to fraction form
    2,831,761.80/4,247,642.70 = 837,217.80/x
  3. Step 3: Cross multiply
    2,831,761.80x = 4,247,642.70 × 837,217.80
  4. Step 4: Simplify right side
    2,831,761.80x = 3,556,202,076,480.06
  5. Step 5: Solve for x
    x = 3,556,202,076,480.06/2,831,761.80
  6. Step 6: Final answer
    x = 1,255,826.70

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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.