Home / 2,987,884.86-4,483,986.25-1,189,732.05

Finding the Fourth Proportional to 2,987,884.86, 4,483,986.25 and 1,189,732.05

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Solution

The fourth proportional to 2,987,884.86, 4,483,986.25 and 1,189,732.05 is: 1,785,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,884.86 : 4,483,986.25 = 1,189,732.05 : x
  2. Step 2: Convert to fraction form
    2,987,884.86/4,483,986.25 = 1,189,732.05/x
  3. Step 3: Cross multiply
    2,987,884.86x = 4,483,986.25 × 1,189,732.05
  4. Step 4: Simplify right side
    2,987,884.86x = 5,334,742,127,990.05
  5. Step 5: Solve for x
    x = 5,334,742,127,990.05/2,987,884.86
  6. Step 6: Final answer
    x = 1,785,457.73

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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.