Home / 2,709,765.52-4,065,331.73-1,912,604.02

Finding the Fourth Proportional to 2,709,765.52, 4,065,331.73 and 1,912,604.02

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Solution

The fourth proportional to 2,709,765.52, 4,065,331.73 and 1,912,604.02 is: 2,869,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,765.52 : 4,065,331.73 = 1,912,604.02 : x
  2. Step 2: Convert to fraction form
    2,709,765.52/4,065,331.73 = 1,912,604.02/x
  3. Step 3: Cross multiply
    2,709,765.52x = 4,065,331.73 × 1,912,604.02
  4. Step 4: Simplify right side
    2,709,765.52x = 7,775,369,809,431.56
  5. Step 5: Solve for x
    x = 7,775,369,809,431.56/2,709,765.52
  6. Step 6: Final answer
    x = 2,869,388.42

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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.