Home / 2,678,003.80-4,020,942.30-1,882,810.60

Finding the Fourth Proportional to 2,678,003.80, 4,020,942.30 and 1,882,810.60

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Solution

The fourth proportional to 2,678,003.80, 4,020,942.30 and 1,882,810.60 is: 2,826,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,003.80 : 4,020,942.30 = 1,882,810.60 : x
  2. Step 2: Convert to fraction form
    2,678,003.80/4,020,942.30 = 1,882,810.60/x
  3. Step 3: Cross multiply
    2,678,003.80x = 4,020,942.30 × 1,882,810.60
  4. Step 4: Simplify right side
    2,678,003.80x = 7,570,672,784,428.38
  5. Step 5: Solve for x
    x = 7,570,672,784,428.38/2,678,003.80
  6. Step 6: Final answer
    x = 2,826,983.59

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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.