Home / 2,079,028.80-3,118,543.20-1,180,123.20

Finding the Fourth Proportional to 2,079,028.80, 3,118,543.20 and 1,180,123.20

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Solution

The fourth proportional to 2,079,028.80, 3,118,543.20 and 1,180,123.20 is: 1,770,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,028.80 : 3,118,543.20 = 1,180,123.20 : x
  2. Step 2: Convert to fraction form
    2,079,028.80/3,118,543.20 = 1,180,123.20/x
  3. Step 3: Cross multiply
    2,079,028.80x = 3,118,543.20 × 1,180,123.20
  4. Step 4: Simplify right side
    2,079,028.80x = 3,680,265,180,522.24
  5. Step 5: Solve for x
    x = 3,680,265,180,522.24/2,079,028.80
  6. Step 6: Final answer
    x = 1,770,184.80

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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.