Home / 2,772,083.40-4,158,125.11-1,921,777.80

Finding the Fourth Proportional to 2,772,083.40, 4,158,125.11 and 1,921,777.80

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Solution

The fourth proportional to 2,772,083.40, 4,158,125.11 and 1,921,777.80 is: 2,882,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,083.40 : 4,158,125.11 = 1,921,777.80 : x
  2. Step 2: Convert to fraction form
    2,772,083.40/4,158,125.11 = 1,921,777.80/x
  3. Step 3: Cross multiply
    2,772,083.40x = 4,158,125.11 × 1,921,777.80
  4. Step 4: Simplify right side
    2,772,083.40x = 7,990,992,526,020.56
  5. Step 5: Solve for x
    x = 7,990,992,526,020.56/2,772,083.40
  6. Step 6: Final answer
    x = 2,882,666.71

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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.