Home / 2,603,391.60-3,905,087.40-1,660,940.40

Finding the Fourth Proportional to 2,603,391.60, 3,905,087.40 and 1,660,940.40

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Solution

The fourth proportional to 2,603,391.60, 3,905,087.40 and 1,660,940.40 is: 2,491,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,391.60 : 3,905,087.40 = 1,660,940.40 : x
  2. Step 2: Convert to fraction form
    2,603,391.60/3,905,087.40 = 1,660,940.40/x
  3. Step 3: Cross multiply
    2,603,391.60x = 3,905,087.40 × 1,660,940.40
  4. Step 4: Simplify right side
    2,603,391.60x = 6,486,117,428,190.96
  5. Step 5: Solve for x
    x = 6,486,117,428,190.96/2,603,391.60
  6. Step 6: Final answer
    x = 2,491,410.60

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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.