Home / 2,169,863.20-3,254,350.08-821,560.69

Finding the Fourth Proportional to 2,169,863.20, 3,254,350.08 and 821,560.69

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Solution

The fourth proportional to 2,169,863.20, 3,254,350.08 and 821,560.69 is: 1,232,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,863.20 : 3,254,350.08 = 821,560.69 : x
  2. Step 2: Convert to fraction form
    2,169,863.20/3,254,350.08 = 821,560.69/x
  3. Step 3: Cross multiply
    2,169,863.20x = 3,254,350.08 × 821,560.69
  4. Step 4: Simplify right side
    2,169,863.20x = 2,673,646,097,226.36
  5. Step 5: Solve for x
    x = 2,673,646,097,226.36/2,169,863.20
  6. Step 6: Final answer
    x = 1,232,172.65

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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.