Home / 3,915,086.80-5,872,338.60-1,640,023.60

Finding the Fourth Proportional to 3,915,086.80, 5,872,338.60 and 1,640,023.60

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Solution

The fourth proportional to 3,915,086.80, 5,872,338.60 and 1,640,023.60 is: 2,459,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,086.80 : 5,872,338.60 = 1,640,023.60 : x
  2. Step 2: Convert to fraction form
    3,915,086.80/5,872,338.60 = 1,640,023.60/x
  3. Step 3: Cross multiply
    3,915,086.80x = 5,872,338.60 × 1,640,023.60
  4. Step 4: Simplify right side
    3,915,086.80x = 9,630,773,891,190.96
  5. Step 5: Solve for x
    x = 9,630,773,891,190.96/3,915,086.80
  6. Step 6: Final answer
    x = 2,459,913.25

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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.