Home / 2,199,636.40-3,299,454.60-1,443,809.20

Finding the Fourth Proportional to 2,199,636.40, 3,299,454.60 and 1,443,809.20

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Solution

The fourth proportional to 2,199,636.40, 3,299,454.60 and 1,443,809.20 is: 2,165,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,636.40 : 3,299,454.60 = 1,443,809.20 : x
  2. Step 2: Convert to fraction form
    2,199,636.40/3,299,454.60 = 1,443,809.20/x
  3. Step 3: Cross multiply
    2,199,636.40x = 3,299,454.60 × 1,443,809.20
  4. Step 4: Simplify right side
    2,199,636.40x = 4,763,782,906,462.32
  5. Step 5: Solve for x
    x = 4,763,782,906,462.32/2,199,636.40
  6. Step 6: Final answer
    x = 2,165,713.80

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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.