Home / 2,308,579.38-3,185,832.87-1,289,984.94

Finding the Fourth Proportional to 2,308,579.38, 3,185,832.87 and 1,289,984.94

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Solution

The fourth proportional to 2,308,579.38, 3,185,832.87 and 1,289,984.94 is: 1,780,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,579.38 : 3,185,832.87 = 1,289,984.94 : x
  2. Step 2: Convert to fraction form
    2,308,579.38/3,185,832.87 = 1,289,984.94/x
  3. Step 3: Cross multiply
    2,308,579.38x = 3,185,832.87 × 1,289,984.94
  4. Step 4: Simplify right side
    2,308,579.38x = 4,109,676,423,656.98
  5. Step 5: Solve for x
    x = 4,109,676,423,656.98/2,308,579.38
  6. Step 6: Final answer
    x = 1,780,175.49

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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.