Home / 2,679,273.80-4,018,910.70-2,660,611.40

Finding the Fourth Proportional to 2,679,273.80, 4,018,910.70 and 2,660,611.40

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Solution

The fourth proportional to 2,679,273.80, 4,018,910.70 and 2,660,611.40 is: 3,990,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,273.80 : 4,018,910.70 = 2,660,611.40 : x
  2. Step 2: Convert to fraction form
    2,679,273.80/4,018,910.70 = 2,660,611.40/x
  3. Step 3: Cross multiply
    2,679,273.80x = 4,018,910.70 × 2,660,611.40
  4. Step 4: Simplify right side
    2,679,273.80x = 10,692,759,624,001.98
  5. Step 5: Solve for x
    x = 10,692,759,624,001.98/2,679,273.80
  6. Step 6: Final answer
    x = 3,990,917.10

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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.