Home / 2,079,720.80-3,119,581.20-1,180,815.20

Finding the Fourth Proportional to 2,079,720.80, 3,119,581.20 and 1,180,815.20

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Solution

The fourth proportional to 2,079,720.80, 3,119,581.20 and 1,180,815.20 is: 1,771,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,720.80 : 3,119,581.20 = 1,180,815.20 : x
  2. Step 2: Convert to fraction form
    2,079,720.80/3,119,581.20 = 1,180,815.20/x
  3. Step 3: Cross multiply
    2,079,720.80x = 3,119,581.20 × 1,180,815.20
  4. Step 4: Simplify right side
    2,079,720.80x = 3,683,648,898,594.24
  5. Step 5: Solve for x
    x = 3,683,648,898,594.24/2,079,720.80
  6. Step 6: Final answer
    x = 1,771,222.80

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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.