Home / 1,548,832.58-2,137,694.94-989,669.53

Finding the Fourth Proportional to 1,548,832.58, 2,137,694.94 and 989,669.53

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Solution

The fourth proportional to 1,548,832.58, 2,137,694.94 and 989,669.53 is: 1,365,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,832.58 : 2,137,694.94 = 989,669.53 : x
  2. Step 2: Convert to fraction form
    1,548,832.58/2,137,694.94 = 989,669.53/x
  3. Step 3: Cross multiply
    1,548,832.58x = 2,137,694.94 × 989,669.53
  4. Step 4: Simplify right side
    1,548,832.58x = 2,115,611,541,208.94
  5. Step 5: Solve for x
    x = 2,115,611,541,208.94/1,548,832.58
  6. Step 6: Final answer
    x = 1,365,939.47

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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.