Home / 2,776,407.40-4,161,846.30-1,277,885.80

Finding the Fourth Proportional to 2,776,407.40, 4,161,846.30 and 1,277,885.80

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Solution

The fourth proportional to 2,776,407.40, 4,161,846.30 and 1,277,885.80 is: 1,915,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,407.40 : 4,161,846.30 = 1,277,885.80 : x
  2. Step 2: Convert to fraction form
    2,776,407.40/4,161,846.30 = 1,277,885.80/x
  3. Step 3: Cross multiply
    2,776,407.40x = 4,161,846.30 × 1,277,885.80
  4. Step 4: Simplify right side
    2,776,407.40x = 5,318,364,288,552.54
  5. Step 5: Solve for x
    x = 5,318,364,288,552.54/2,776,407.40
  6. Step 6: Final answer
    x = 1,915,556.16

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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.