Home / 2,617,285.86-3,925,922.82-820,306.26

Finding the Fourth Proportional to 2,617,285.86, 3,925,922.82 and 820,306.26

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Solution

The fourth proportional to 2,617,285.86, 3,925,922.82 and 820,306.26 is: 1,230,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,285.86 : 3,925,922.82 = 820,306.26 : x
  2. Step 2: Convert to fraction form
    2,617,285.86/3,925,922.82 = 820,306.26/x
  3. Step 3: Cross multiply
    2,617,285.86x = 3,925,922.82 × 820,306.26
  4. Step 4: Simplify right side
    2,617,285.86x = 3,220,459,065,522.85
  5. Step 5: Solve for x
    x = 3,220,459,065,522.85/2,617,285.86
  6. Step 6: Final answer
    x = 1,230,457.52

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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.