Home / 2,921,616.20-4,031,821.85-1,632,457.60

Finding the Fourth Proportional to 2,921,616.20, 4,031,821.85 and 1,632,457.60

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Solution

The fourth proportional to 2,921,616.20, 4,031,821.85 and 1,632,457.60 is: 2,252,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,616.20 : 4,031,821.85 = 1,632,457.60 : x
  2. Step 2: Convert to fraction form
    2,921,616.20/4,031,821.85 = 1,632,457.60/x
  3. Step 3: Cross multiply
    2,921,616.20x = 4,031,821.85 × 1,632,457.60
  4. Step 4: Simplify right side
    2,921,616.20x = 6,581,778,202,636.72
  5. Step 5: Solve for x
    x = 6,581,778,202,636.72/2,921,616.20
  6. Step 6: Final answer
    x = 2,252,786.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.