Home / 2,831,941.10-3,908,063.40-1,542,778.40

Finding the Fourth Proportional to 2,831,941.10, 3,908,063.40 and 1,542,778.40

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Solution

The fourth proportional to 2,831,941.10, 3,908,063.40 and 1,542,778.40 is: 2,129,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,941.10 : 3,908,063.40 = 1,542,778.40 : x
  2. Step 2: Convert to fraction form
    2,831,941.10/3,908,063.40 = 1,542,778.40/x
  3. Step 3: Cross multiply
    2,831,941.10x = 3,908,063.40 × 1,542,778.40
  4. Step 4: Simplify right side
    2,831,941.10x = 6,029,275,799,350.56
  5. Step 5: Solve for x
    x = 6,029,275,799,350.56/2,831,941.10
  6. Step 6: Final answer
    x = 2,129,025.85

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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.