Home / 3,217,391.20-4,438,919.59-1,821,762.45

Finding the Fourth Proportional to 3,217,391.20, 4,438,919.59 and 1,821,762.45

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Solution

The fourth proportional to 3,217,391.20, 4,438,919.59 and 1,821,762.45 is: 2,513,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,391.20 : 4,438,919.59 = 1,821,762.45 : x
  2. Step 2: Convert to fraction form
    3,217,391.20/4,438,919.59 = 1,821,762.45/x
  3. Step 3: Cross multiply
    3,217,391.20x = 4,438,919.59 × 1,821,762.45
  4. Step 4: Simplify right side
    3,217,391.20x = 8,086,657,013,262.65
  5. Step 5: Solve for x
    x = 8,086,657,013,262.65/3,217,391.20
  6. Step 6: Final answer
    x = 2,513,420.51

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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.