Home / 2,079,427.80-3,119,141.70-1,180,522.20

Finding the Fourth Proportional to 2,079,427.80, 3,119,141.70 and 1,180,522.20

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Solution

The fourth proportional to 2,079,427.80, 3,119,141.70 and 1,180,522.20 is: 1,770,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,427.80 : 3,119,141.70 = 1,180,522.20 : x
  2. Step 2: Convert to fraction form
    2,079,427.80/3,119,141.70 = 1,180,522.20/x
  3. Step 3: Cross multiply
    2,079,427.80x = 3,119,141.70 × 1,180,522.20
  4. Step 4: Simplify right side
    2,079,427.80x = 3,682,216,021,795.74
  5. Step 5: Solve for x
    x = 3,682,216,021,795.74/2,079,427.80
  6. Step 6: Final answer
    x = 1,770,783.30

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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.