Home / 2,900,270.12-4,002,261.50-1,611,191.56

Finding the Fourth Proportional to 2,900,270.12, 4,002,261.50 and 1,611,191.56

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Solution

The fourth proportional to 2,900,270.12, 4,002,261.50 and 1,611,191.56 is: 2,223,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,270.12 : 4,002,261.50 = 1,611,191.56 : x
  2. Step 2: Convert to fraction form
    2,900,270.12/4,002,261.50 = 1,611,191.56/x
  3. Step 3: Cross multiply
    2,900,270.12x = 4,002,261.50 × 1,611,191.56
  4. Step 4: Simplify right side
    2,900,270.12x = 6,448,409,949,712.94
  5. Step 5: Solve for x
    x = 6,448,409,949,712.94/2,900,270.12
  6. Step 6: Final answer
    x = 2,223,382.54

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Double scale
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1.5x scale

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.