Home / 2,728,817.80-4,093,226.70-1,931,000.20

Finding the Fourth Proportional to 2,728,817.80, 4,093,226.70 and 1,931,000.20

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Solution

The fourth proportional to 2,728,817.80, 4,093,226.70 and 1,931,000.20 is: 2,896,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,817.80 : 4,093,226.70 = 1,931,000.20 : x
  2. Step 2: Convert to fraction form
    2,728,817.80/4,093,226.70 = 1,931,000.20/x
  3. Step 3: Cross multiply
    2,728,817.80x = 4,093,226.70 × 1,931,000.20
  4. Step 4: Simplify right side
    2,728,817.80x = 7,904,021,576,345.34
  5. Step 5: Solve for x
    x = 7,904,021,576,345.34/2,728,817.80
  6. Step 6: Final answer
    x = 2,896,500.30

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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.