Finding the Fourth Proportional to 7,859,468.58, 11,790,961.18 and 2,394,991.08
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Solution
The fourth proportional to 7,859,468.58, 11,790,961.18 and 2,394,991.08 is: 3,593,022.42
Step by Step Solution
- Step 1: Write the proportion equation
7,859,468.58 : 11,790,961.18 = 2,394,991.08 : x - Step 2: Convert to fraction form
7,859,468.58/11,790,961.18 = 2,394,991.08/x - Step 3: Cross multiply
7,859,468.58x = 11,790,961.18 × 2,394,991.08 - Step 4: Simplify right side
7,859,468.58x = 28,239,246,850,726.27 - Step 5: Solve for x
x = 28,239,246,850,726.27/7,859,468.58 - Step 6: Final answer
x = 3,593,022.42
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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.