Home / 2,459,701.10-3,394,241.31-1,427,128.90

Finding the Fourth Proportional to 2,459,701.10, 3,394,241.31 and 1,427,128.90

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Solution

The fourth proportional to 2,459,701.10, 3,394,241.31 and 1,427,128.90 is: 1,969,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459,701.10 : 3,394,241.31 = 1,427,128.90 : x
  2. Step 2: Convert to fraction form
    2,459,701.10/3,394,241.31 = 1,427,128.90/x
  3. Step 3: Cross multiply
    2,459,701.10x = 3,394,241.31 × 1,427,128.90
  4. Step 4: Simplify right side
    2,459,701.10x = 4,844,019,867,074.86
  5. Step 5: Solve for x
    x = 4,844,019,867,074.86/2,459,701.10
  6. Step 6: Final answer
    x = 1,969,353.05

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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.