Home / 1,932,157.72-2,666,273.57-1,072,662.62

Finding the Fourth Proportional to 1,932,157.72, 2,666,273.57 and 1,072,662.62

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Solution

The fourth proportional to 1,932,157.72, 2,666,273.57 and 1,072,662.62 is: 1,480,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,157.72 : 2,666,273.57 = 1,072,662.62 : x
  2. Step 2: Convert to fraction form
    1,932,157.72/2,666,273.57 = 1,072,662.62/x
  3. Step 3: Cross multiply
    1,932,157.72x = 2,666,273.57 × 1,072,662.62
  4. Step 4: Simplify right side
    1,932,157.72x = 2,860,011,993,232.95
  5. Step 5: Solve for x
    x = 2,860,011,993,232.95/1,932,157.72
  6. Step 6: Final answer
    x = 1,480,216.63

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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.