Home / 2,617,268.50-3,925,903.66-820,291.40

Finding the Fourth Proportional to 2,617,268.50, 3,925,903.66 and 820,291.40

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Solution

The fourth proportional to 2,617,268.50, 3,925,903.66 and 820,291.40 is: 1,230,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,268.50 : 3,925,903.66 = 820,291.40 : x
  2. Step 2: Convert to fraction form
    2,617,268.50/3,925,903.66 = 820,291.40/x
  3. Step 3: Cross multiply
    2,617,268.50x = 3,925,903.66 × 820,291.40
  4. Step 4: Simplify right side
    2,617,268.50x = 3,220,384,987,846.28
  5. Step 5: Solve for x
    x = 3,220,384,987,846.28/2,617,268.50
  6. Step 6: Final answer
    x = 1,230,437.38

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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.