Home / 1,936,362.74-2,672,165.79-1,065,178.69

Finding the Fourth Proportional to 1,936,362.74, 2,672,165.79 and 1,065,178.69

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Solution

The fourth proportional to 1,936,362.74, 2,672,165.79 and 1,065,178.69 is: 1,469,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,362.74 : 2,672,165.79 = 1,065,178.69 : x
  2. Step 2: Convert to fraction form
    1,936,362.74/2,672,165.79 = 1,065,178.69/x
  3. Step 3: Cross multiply
    1,936,362.74x = 2,672,165.79 × 1,065,178.69
  4. Step 4: Simplify right side
    1,936,362.74x = 2,846,334,058,749.71
  5. Step 5: Solve for x
    x = 2,846,334,058,749.71/1,936,362.74
  6. Step 6: Final answer
    x = 1,469,938.46

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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.