Home / 1,939,119.22-2,909,233.79-660,008.53

Finding the Fourth Proportional to 1,939,119.22, 2,909,233.79 and 660,008.53

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Solution

The fourth proportional to 1,939,119.22, 2,909,233.79 and 660,008.53 is: 990,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,119.22 : 2,909,233.79 = 660,008.53 : x
  2. Step 2: Convert to fraction form
    1,939,119.22/2,909,233.79 = 660,008.53/x
  3. Step 3: Cross multiply
    1,939,119.22x = 2,909,233.79 × 660,008.53
  4. Step 4: Simplify right side
    1,939,119.22x = 1,920,119,099,318.02
  5. Step 5: Solve for x
    x = 1,920,119,099,318.02/1,939,119.22
  6. Step 6: Final answer
    x = 990,201.68

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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.