Home / 2,195,328.40-3,298,522.20-1,396,992.40

Finding the Fourth Proportional to 2,195,328.40, 3,298,522.20 and 1,396,992.40

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Solution

The fourth proportional to 2,195,328.40, 3,298,522.20 and 1,396,992.40 is: 2,099,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,328.40 : 3,298,522.20 = 1,396,992.40 : x
  2. Step 2: Convert to fraction form
    2,195,328.40/3,298,522.20 = 1,396,992.40/x
  3. Step 3: Cross multiply
    2,195,328.40x = 3,298,522.20 × 1,396,992.40
  4. Step 4: Simplify right side
    2,195,328.40x = 4,608,010,444,631.28
  5. Step 5: Solve for x
    x = 4,608,010,444,631.28/2,195,328.40
  6. Step 6: Final answer
    x = 2,099,007.35

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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.