Finding the Fourth Proportional to 7,851,698.73, 11,777,552.21 and 2,460,769.02
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Solution
The fourth proportional to 7,851,698.73, 11,777,552.21 and 2,460,769.02 is: 3,691,154.82
Step by Step Solution
- Step 1: Write the proportion equation
7,851,698.73 : 11,777,552.21 = 2,460,769.02 : x - Step 2: Convert to fraction form
7,851,698.73/11,777,552.21 = 2,460,769.02/x - Step 3: Cross multiply
7,851,698.73x = 11,777,552.21 × 2,460,769.02 - Step 4: Simplify right side
7,851,698.73x = 28,981,835,603,648.61 - Step 5: Solve for x
x = 28,981,835,603,648.61/7,851,698.73 - Step 6: Final answer
x = 3,691,154.82
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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.