Home / 3,608,749.72-4,980,074.50-1,977,218.86

Finding the Fourth Proportional to 3,608,749.72, 4,980,074.50 and 1,977,218.86

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Solution

The fourth proportional to 3,608,749.72, 4,980,074.50 and 1,977,218.86 is: 2,728,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,749.72 : 4,980,074.50 = 1,977,218.86 : x
  2. Step 2: Convert to fraction form
    3,608,749.72/4,980,074.50 = 1,977,218.86/x
  3. Step 3: Cross multiply
    3,608,749.72x = 4,980,074.50 × 1,977,218.86
  4. Step 4: Simplify right side
    3,608,749.72x = 9,846,697,208,211.84
  5. Step 5: Solve for x
    x = 9,846,697,208,211.84/3,608,749.72
  6. Step 6: Final answer
    x = 2,728,561.96

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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.