Home / 3,217,222.16-4,825,829.18-821,066.79

Finding the Fourth Proportional to 3,217,222.16, 4,825,829.18 and 821,066.79

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Solution

The fourth proportional to 3,217,222.16, 4,825,829.18 and 821,066.79 is: 1,231,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,222.16 : 4,825,829.18 = 821,066.79 : x
  2. Step 2: Convert to fraction form
    3,217,222.16/4,825,829.18 = 821,066.79/x
  3. Step 3: Cross multiply
    3,217,222.16x = 4,825,829.18 × 821,066.79
  4. Step 4: Simplify right side
    3,217,222.16x = 3,962,328,094,060.46
  5. Step 5: Solve for x
    x = 3,962,328,094,060.46/3,217,222.16
  6. Step 6: Final answer
    x = 1,231,599.16

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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.