Home / 3,217,211.80-4,825,814.95-821,056.24

Finding the Fourth Proportional to 3,217,211.80, 4,825,814.95 and 821,056.24

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Solution

The fourth proportional to 3,217,211.80, 4,825,814.95 and 821,056.24 is: 1,231,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,211.80 : 4,825,814.95 = 821,056.24 : x
  2. Step 2: Convert to fraction form
    3,217,211.80/4,825,814.95 = 821,056.24/x
  3. Step 3: Cross multiply
    3,217,211.80x = 4,825,814.95 × 821,056.24
  4. Step 4: Simplify right side
    3,217,211.80x = 3,962,265,477,782.79
  5. Step 5: Solve for x
    x = 3,962,265,477,782.79/3,217,211.80
  6. Step 6: Final answer
    x = 1,231,583.66

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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.