Home / 2,214,788.40-3,322,009.80-866,689.20

Finding the Fourth Proportional to 2,214,788.40, 3,322,009.80 and 866,689.20

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Solution

The fourth proportional to 2,214,788.40, 3,322,009.80 and 866,689.20 is: 1,299,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,788.40 : 3,322,009.80 = 866,689.20 : x
  2. Step 2: Convert to fraction form
    2,214,788.40/3,322,009.80 = 866,689.20/x
  3. Step 3: Cross multiply
    2,214,788.40x = 3,322,009.80 × 866,689.20
  4. Step 4: Simplify right side
    2,214,788.40x = 2,879,150,015,954.16
  5. Step 5: Solve for x
    x = 2,879,150,015,954.16/2,214,788.40
  6. Step 6: Final answer
    x = 1,299,966.18

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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.