Home / 2,864,361.20-3,952,922.38-1,640,903.18

Finding the Fourth Proportional to 2,864,361.20, 3,952,922.38 and 1,640,903.18

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Solution

The fourth proportional to 2,864,361.20, 3,952,922.38 and 1,640,903.18 is: 2,264,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,361.20 : 3,952,922.38 = 1,640,903.18 : x
  2. Step 2: Convert to fraction form
    2,864,361.20/3,952,922.38 = 1,640,903.18/x
  3. Step 3: Cross multiply
    2,864,361.20x = 3,952,922.38 × 1,640,903.18
  4. Step 4: Simplify right side
    2,864,361.20x = 6,486,362,879,768.30
  5. Step 5: Solve for x
    x = 6,486,362,879,768.30/2,864,361.20
  6. Step 6: Final answer
    x = 2,264,505.92

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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.