Home / 2,791,391.80-4,187,394.90-1,018,847.80

Finding the Fourth Proportional to 2,791,391.80, 4,187,394.90 and 1,018,847.80

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Solution

The fourth proportional to 2,791,391.80, 4,187,394.90 and 1,018,847.80 is: 1,528,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,391.80 : 4,187,394.90 = 1,018,847.80 : x
  2. Step 2: Convert to fraction form
    2,791,391.80/4,187,394.90 = 1,018,847.80/x
  3. Step 3: Cross multiply
    2,791,391.80x = 4,187,394.90 × 1,018,847.80
  4. Step 4: Simplify right side
    2,791,391.80x = 4,266,318,081,596.22
  5. Step 5: Solve for x
    x = 4,266,318,081,596.22/2,791,391.80
  6. Step 6: Final answer
    x = 1,528,383.83

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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.