Home / 1,977,410.49-2,728,848-1,161,648.56

Finding the Fourth Proportional to 1,977,410.49, 2,728,848 and 1,161,648.56

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Solution

The fourth proportional to 1,977,410.49, 2,728,848 and 1,161,648.56 is: 1,603,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,410.49 : 2,728,848 = 1,161,648.56 : x
  2. Step 2: Convert to fraction form
    1,977,410.49/2,728,848 = 1,161,648.56/x
  3. Step 3: Cross multiply
    1,977,410.49x = 2,728,848 × 1,161,648.56
  4. Step 4: Simplify right side
    1,977,410.49x = 3,169,962,336,014.64
  5. Step 5: Solve for x
    x = 3,169,962,336,014.64/1,977,410.49
  6. Step 6: Final answer
    x = 1,603,087.65

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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.