Home / 2,214,686.80-3,322,030.20-2,172,696.40

Finding the Fourth Proportional to 2,214,686.80, 3,322,030.20 and 2,172,696.40

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Solution

The fourth proportional to 2,214,686.80, 3,322,030.20 and 2,172,696.40 is: 3,259,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,686.80 : 3,322,030.20 = 2,172,696.40 : x
  2. Step 2: Convert to fraction form
    2,214,686.80/3,322,030.20 = 2,172,696.40/x
  3. Step 3: Cross multiply
    2,214,686.80x = 3,322,030.20 × 2,172,696.40
  4. Step 4: Simplify right side
    2,214,686.80x = 7,217,763,056,231.28
  5. Step 5: Solve for x
    x = 7,217,763,056,231.28/2,214,686.80
  6. Step 6: Final answer
    x = 3,259,044.60

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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.