Home / 2,617,000.79-3,925,496.32-820,021.91

Finding the Fourth Proportional to 2,617,000.79, 3,925,496.32 and 820,021.91

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Solution

The fourth proportional to 2,617,000.79, 3,925,496.32 and 820,021.91 is: 1,230,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,000.79 : 3,925,496.32 = 820,021.91 : x
  2. Step 2: Convert to fraction form
    2,617,000.79/3,925,496.32 = 820,021.91/x
  3. Step 3: Cross multiply
    2,617,000.79x = 3,925,496.32 × 820,021.91
  4. Step 4: Simplify right side
    2,617,000.79x = 3,218,992,990,024.37
  5. Step 5: Solve for x
    x = 3,218,992,990,024.37/2,617,000.79
  6. Step 6: Final answer
    x = 1,230,031.34

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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.