Home / 2,172,664.80-3,258,997.20-575,474.40

Finding the Fourth Proportional to 2,172,664.80, 3,258,997.20 and 575,474.40

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Solution

The fourth proportional to 2,172,664.80, 3,258,997.20 and 575,474.40 is: 863,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,664.80 : 3,258,997.20 = 575,474.40 : x
  2. Step 2: Convert to fraction form
    2,172,664.80/3,258,997.20 = 575,474.40/x
  3. Step 3: Cross multiply
    2,172,664.80x = 3,258,997.20 × 575,474.40
  4. Step 4: Simplify right side
    2,172,664.80x = 1,875,469,458,271.68
  5. Step 5: Solve for x
    x = 1,875,469,458,271.68/2,172,664.80
  6. Step 6: Final answer
    x = 863,211.60

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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.