Home / 2,565,670.40-3,540,369.12-1,419,591.68

Finding the Fourth Proportional to 2,565,670.40, 3,540,369.12 and 1,419,591.68

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Solution

The fourth proportional to 2,565,670.40, 3,540,369.12 and 1,419,591.68 is: 1,958,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,670.40 : 3,540,369.12 = 1,419,591.68 : x
  2. Step 2: Convert to fraction form
    2,565,670.40/3,540,369.12 = 1,419,591.68/x
  3. Step 3: Cross multiply
    2,565,670.40x = 3,540,369.12 × 1,419,591.68
  4. Step 4: Simplify right side
    2,565,670.40x = 5,025,878,546,880.92
  5. Step 5: Solve for x
    x = 5,025,878,546,880.92/2,565,670.40
  6. Step 6: Final answer
    x = 1,958,894.86

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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.