Home / 3,608,768.72-4,980,100.68-1,977,237.96

Finding the Fourth Proportional to 3,608,768.72, 4,980,100.68 and 1,977,237.96

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Solution

The fourth proportional to 3,608,768.72, 4,980,100.68 and 1,977,237.96 is: 2,728,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,768.72 : 4,980,100.68 = 1,977,237.96 : x
  2. Step 2: Convert to fraction form
    3,608,768.72/4,980,100.68 = 1,977,237.96/x
  3. Step 3: Cross multiply
    3,608,768.72x = 4,980,100.68 × 1,977,237.96
  4. Step 4: Simplify right side
    3,608,768.72x = 9,846,844,109,117.81
  5. Step 5: Solve for x
    x = 9,846,844,109,117.81/3,608,768.72
  6. Step 6: Final answer
    x = 2,728,588.30

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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.