Home / 2,203,817.20-3,305,725.80-1,489,980.40

Finding the Fourth Proportional to 2,203,817.20, 3,305,725.80 and 1,489,980.40

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Solution

The fourth proportional to 2,203,817.20, 3,305,725.80 and 1,489,980.40 is: 2,234,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203,817.20 : 3,305,725.80 = 1,489,980.40 : x
  2. Step 2: Convert to fraction form
    2,203,817.20/3,305,725.80 = 1,489,980.40/x
  3. Step 3: Cross multiply
    2,203,817.20x = 3,305,725.80 × 1,489,980.40
  4. Step 4: Simplify right side
    2,203,817.20x = 4,925,466,649,774.32
  5. Step 5: Solve for x
    x = 4,925,466,649,774.32/2,203,817.20
  6. Step 6: Final answer
    x = 2,234,970.60

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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.