Home / 2,079,299.60-3,119,986.20-1,181,430.80

Finding the Fourth Proportional to 2,079,299.60, 3,119,986.20 and 1,181,430.80

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Solution

The fourth proportional to 2,079,299.60, 3,119,986.20 and 1,181,430.80 is: 1,772,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,299.60 : 3,119,986.20 = 1,181,430.80 : x
  2. Step 2: Convert to fraction form
    2,079,299.60/3,119,986.20 = 1,181,430.80/x
  3. Step 3: Cross multiply
    2,079,299.60x = 3,119,986.20 × 1,181,430.80
  4. Step 4: Simplify right side
    2,079,299.60x = 3,686,047,792,254.96
  5. Step 5: Solve for x
    x = 3,686,047,792,254.96/2,079,299.60
  6. Step 6: Final answer
    x = 1,772,735.30

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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.