Home / 2,285,899.84-3,428,849.49-769,455.46

Finding the Fourth Proportional to 2,285,899.84, 3,428,849.49 and 769,455.46

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Solution

The fourth proportional to 2,285,899.84, 3,428,849.49 and 769,455.46 is: 1,154,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,899.84 : 3,428,849.49 = 769,455.46 : x
  2. Step 2: Convert to fraction form
    2,285,899.84/3,428,849.49 = 769,455.46/x
  3. Step 3: Cross multiply
    2,285,899.84x = 3,428,849.49 × 769,455.46
  4. Step 4: Simplify right side
    2,285,899.84x = 2,638,346,961,598.72
  5. Step 5: Solve for x
    x = 2,638,346,961,598.72/2,285,899.84
  6. Step 6: Final answer
    x = 1,154,183.10

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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.