Home / 2,781,621.16-3,838,198.50-1,620,258.52

Finding the Fourth Proportional to 2,781,621.16, 3,838,198.50 and 1,620,258.52

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Solution

The fourth proportional to 2,781,621.16, 3,838,198.50 and 1,620,258.52 is: 2,235,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,621.16 : 3,838,198.50 = 1,620,258.52 : x
  2. Step 2: Convert to fraction form
    2,781,621.16/3,838,198.50 = 1,620,258.52/x
  3. Step 3: Cross multiply
    2,781,621.16x = 3,838,198.50 × 1,620,258.52
  4. Step 4: Simplify right side
    2,781,621.16x = 6,218,873,821,076.22
  5. Step 5: Solve for x
    x = 6,218,873,821,076.22/2,781,621.16
  6. Step 6: Final answer
    x = 2,235,701.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.