Home / 2,056,521.20-3,084,781.80-1,214,639.60

Finding the Fourth Proportional to 2,056,521.20, 3,084,781.80 and 1,214,639.60

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Solution

The fourth proportional to 2,056,521.20, 3,084,781.80 and 1,214,639.60 is: 1,821,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056,521.20 : 3,084,781.80 = 1,214,639.60 : x
  2. Step 2: Convert to fraction form
    2,056,521.20/3,084,781.80 = 1,214,639.60/x
  3. Step 3: Cross multiply
    2,056,521.20x = 3,084,781.80 × 1,214,639.60
  4. Step 4: Simplify right side
    2,056,521.20x = 3,746,898,131,639.28
  5. Step 5: Solve for x
    x = 3,746,898,131,639.28/2,056,521.20
  6. Step 6: Final answer
    x = 1,821,959.40

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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.