Home / 2,199,241.60-3,298,401.60-1,078,115.20

Finding the Fourth Proportional to 2,199,241.60, 3,298,401.60 and 1,078,115.20

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Solution

The fourth proportional to 2,199,241.60, 3,298,401.60 and 1,078,115.20 is: 1,616,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,241.60 : 3,298,401.60 = 1,078,115.20 : x
  2. Step 2: Convert to fraction form
    2,199,241.60/3,298,401.60 = 1,078,115.20/x
  3. Step 3: Cross multiply
    2,199,241.60x = 3,298,401.60 × 1,078,115.20
  4. Step 4: Simplify right side
    2,199,241.60x = 3,556,056,900,664.32
  5. Step 5: Solve for x
    x = 3,556,056,900,664.32/2,199,241.60
  6. Step 6: Final answer
    x = 1,616,946.91

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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.