Home / 4,930,896.40-7,396,344.60-2,778,560.35

Finding the Fourth Proportional to 4,930,896.40, 7,396,344.60 and 2,778,560.35

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Solution

The fourth proportional to 4,930,896.40, 7,396,344.60 and 2,778,560.35 is: 4,167,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930,896.40 : 7,396,344.60 = 2,778,560.35 : x
  2. Step 2: Convert to fraction form
    4,930,896.40/7,396,344.60 = 2,778,560.35/x
  3. Step 3: Cross multiply
    4,930,896.40x = 7,396,344.60 × 2,778,560.35
  4. Step 4: Simplify right side
    4,930,896.40x = 20,551,189,840,496.61
  5. Step 5: Solve for x
    x = 20,551,189,840,496.61/4,930,896.40
  6. Step 6: Final answer
    x = 4,167,840.53

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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.