Home / 4,815,173.90-7,220,661.03-1,821,258.38

Finding the Fourth Proportional to 4,815,173.90, 7,220,661.03 and 1,821,258.38

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Solution

The fourth proportional to 4,815,173.90, 7,220,661.03 and 1,821,258.38 is: 2,731,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,173.90 : 7,220,661.03 = 1,821,258.38 : x
  2. Step 2: Convert to fraction form
    4,815,173.90/7,220,661.03 = 1,821,258.38/x
  3. Step 3: Cross multiply
    4,815,173.90x = 7,220,661.03 × 1,821,258.38
  4. Step 4: Simplify right side
    4,815,173.90x = 13,150,689,410,026.93
  5. Step 5: Solve for x
    x = 13,150,689,410,026.93/4,815,173.90
  6. Step 6: Final answer
    x = 2,731,093.35

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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.