Home / 1,999,007.15-2,757,945.33-1,630,842.78

Finding the Fourth Proportional to 1,999,007.15, 2,757,945.33 and 1,630,842.78

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Solution

The fourth proportional to 1,999,007.15, 2,757,945.33 and 1,630,842.78 is: 2,250,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,007.15 : 2,757,945.33 = 1,630,842.78 : x
  2. Step 2: Convert to fraction form
    1,999,007.15/2,757,945.33 = 1,630,842.78/x
  3. Step 3: Cross multiply
    1,999,007.15x = 2,757,945.33 × 1,630,842.78
  4. Step 4: Simplify right side
    1,999,007.15x = 4,497,775,229,065.22
  5. Step 5: Solve for x
    x = 4,497,775,229,065.22/1,999,007.15
  6. Step 6: Final answer
    x = 2,250,004.58

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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.