Home / 3,428,852.96-5,142,918.60-1,407,310.64

Finding the Fourth Proportional to 3,428,852.96, 5,142,918.60 and 1,407,310.64

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Solution

The fourth proportional to 3,428,852.96, 5,142,918.60 and 1,407,310.64 is: 2,110,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,852.96 : 5,142,918.60 = 1,407,310.64 : x
  2. Step 2: Convert to fraction form
    3,428,852.96/5,142,918.60 = 1,407,310.64/x
  3. Step 3: Cross multiply
    3,428,852.96x = 5,142,918.60 × 1,407,310.64
  4. Step 4: Simplify right side
    3,428,852.96x = 7,237,684,066,433.90
  5. Step 5: Solve for x
    x = 7,237,684,066,433.90/3,428,852.96
  6. Step 6: Final answer
    x = 2,110,817.86

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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.