Home / 2,140,687.50-3,211,503.45-624,489

Finding the Fourth Proportional to 2,140,687.50, 3,211,503.45 and 624,489

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Solution

The fourth proportional to 2,140,687.50, 3,211,503.45 and 624,489 is: 936,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,687.50 : 3,211,503.45 = 624,489 : x
  2. Step 2: Convert to fraction form
    2,140,687.50/3,211,503.45 = 624,489/x
  3. Step 3: Cross multiply
    2,140,687.50x = 3,211,503.45 × 624,489
  4. Step 4: Simplify right side
    2,140,687.50x = 2,005,548,577,987.05
  5. Step 5: Solve for x
    x = 2,005,548,577,987.05/2,140,687.50
  6. Step 6: Final answer
    x = 936,871.25

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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.