Home / 2,617,293.12-3,925,933.68-820,313.52

Finding the Fourth Proportional to 2,617,293.12, 3,925,933.68 and 820,313.52

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Solution

The fourth proportional to 2,617,293.12, 3,925,933.68 and 820,313.52 is: 1,230,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,293.12 : 3,925,933.68 = 820,313.52 : x
  2. Step 2: Convert to fraction form
    2,617,293.12/3,925,933.68 = 820,313.52/x
  3. Step 3: Cross multiply
    2,617,293.12x = 3,925,933.68 × 820,313.52
  4. Step 4: Simplify right side
    2,617,293.12x = 3,220,496,476,327.35
  5. Step 5: Solve for x
    x = 3,220,496,476,327.35/2,617,293.12
  6. Step 6: Final answer
    x = 1,230,468.40

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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.