Home / 1,640,608.20-2,460,912.30-1,242,027.45

Finding the Fourth Proportional to 1,640,608.20, 2,460,912.30 and 1,242,027.45

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Solution

The fourth proportional to 1,640,608.20, 2,460,912.30 and 1,242,027.45 is: 1,863,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,608.20 : 2,460,912.30 = 1,242,027.45 : x
  2. Step 2: Convert to fraction form
    1,640,608.20/2,460,912.30 = 1,242,027.45/x
  3. Step 3: Cross multiply
    1,640,608.20x = 2,460,912.30 × 1,242,027.45
  4. Step 4: Simplify right side
    1,640,608.20x = 3,056,520,628,642.64
  5. Step 5: Solve for x
    x = 3,056,520,628,642.64/1,640,608.20
  6. Step 6: Final answer
    x = 1,863,041.18

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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.