Finding the Fourth Proportional to 3,630,675.24, 5,010,289.56 and 1,999,047.96
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Solution
The fourth proportional to 3,630,675.24, 5,010,289.56 and 1,999,047.96 is: 2,758,662.91
Step by Step Solution
- Step 1: Write the proportion equation
3,630,675.24 : 5,010,289.56 = 1,999,047.96 : x - Step 2: Convert to fraction form
3,630,675.24/5,010,289.56 = 1,999,047.96/x - Step 3: Cross multiply
3,630,675.24x = 5,010,289.56 × 1,999,047.96 - Step 4: Simplify right side
3,630,675.24x = 10,015,809,123,927.30 - Step 5: Solve for x
x = 10,015,809,123,927.30/3,630,675.24 - Step 6: Final answer
x = 2,758,662.91
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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.