Home / 2,766,315.40-4,149,473.10-1,916,009.80

Finding the Fourth Proportional to 2,766,315.40, 4,149,473.10 and 1,916,009.80

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Solution

The fourth proportional to 2,766,315.40, 4,149,473.10 and 1,916,009.80 is: 2,874,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,315.40 : 4,149,473.10 = 1,916,009.80 : x
  2. Step 2: Convert to fraction form
    2,766,315.40/4,149,473.10 = 1,916,009.80/x
  3. Step 3: Cross multiply
    2,766,315.40x = 4,149,473.10 × 1,916,009.80
  4. Step 4: Simplify right side
    2,766,315.40x = 7,950,431,124,436.38
  5. Step 5: Solve for x
    x = 7,950,431,124,436.38/2,766,315.40
  6. Step 6: Final answer
    x = 2,874,014.70

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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.