Home / 3,977,667.19-5,489,181.65-2,166,831.19

Finding the Fourth Proportional to 3,977,667.19, 5,489,181.65 and 2,166,831.19

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Solution

The fourth proportional to 3,977,667.19, 5,489,181.65 and 2,166,831.19 is: 2,990,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,667.19 : 5,489,181.65 = 2,166,831.19 : x
  2. Step 2: Convert to fraction form
    3,977,667.19/5,489,181.65 = 2,166,831.19/x
  3. Step 3: Cross multiply
    3,977,667.19x = 5,489,181.65 × 2,166,831.19
  4. Step 4: Simplify right side
    3,977,667.19x = 11,894,129,968,515.60
  5. Step 5: Solve for x
    x = 11,894,129,968,515.60/3,977,667.19
  6. Step 6: Final answer
    x = 2,990,227.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.