Finding the Fourth Proportional to 4,393,791.38, 6,586,036.90 and 1,999,317.58
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Solution
The fourth proportional to 4,393,791.38, 6,586,036.90 and 1,999,317.58 is: 2,996,860.39
Step by Step Solution
- Step 1: Write the proportion equation
4,393,791.38 : 6,586,036.90 = 1,999,317.58 : x - Step 2: Convert to fraction form
4,393,791.38/6,586,036.90 = 1,999,317.58/x - Step 3: Cross multiply
4,393,791.38x = 6,586,036.90 × 1,999,317.58 - Step 4: Simplify right side
4,393,791.38x = 13,167,579,335,235.31 - Step 5: Solve for x
x = 13,167,579,335,235.31/4,393,791.38 - Step 6: Final answer
x = 2,996,860.39
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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.