Home / 2,074,611.40-3,111,917.10-1,948,640.20

Finding the Fourth Proportional to 2,074,611.40, 3,111,917.10 and 1,948,640.20

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Solution

The fourth proportional to 2,074,611.40, 3,111,917.10 and 1,948,640.20 is: 2,922,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,611.40 : 3,111,917.10 = 1,948,640.20 : x
  2. Step 2: Convert to fraction form
    2,074,611.40/3,111,917.10 = 1,948,640.20/x
  3. Step 3: Cross multiply
    2,074,611.40x = 3,111,917.10 × 1,948,640.20
  4. Step 4: Simplify right side
    2,074,611.40x = 6,064,006,760,127.42
  5. Step 5: Solve for x
    x = 6,064,006,760,127.42/2,074,611.40
  6. Step 6: Final answer
    x = 2,922,960.30

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Double scale
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Similar ratio
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1.5x scale

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.