Home / 3,165,900-4,748,784.38-769,757.19

Finding the Fourth Proportional to 3,165,900, 4,748,784.38 and 769,757.19

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Solution

The fourth proportional to 3,165,900, 4,748,784.38 and 769,757.19 is: 1,154,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,900 : 4,748,784.38 = 769,757.19 : x
  2. Step 2: Convert to fraction form
    3,165,900/4,748,784.38 = 769,757.19/x
  3. Step 3: Cross multiply
    3,165,900x = 4,748,784.38 × 769,757.19
  4. Step 4: Simplify right side
    3,165,900x = 3,655,410,920,264.69
  5. Step 5: Solve for x
    x = 3,655,410,920,264.69/3,165,900
  6. Step 6: Final answer
    x = 1,154,619.83

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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.