Finding the Fourth Proportional to 7,790,976.13, 11,687,051.62 and 2,325,639.21
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Solution
The fourth proportional to 7,790,976.13, 11,687,051.62 and 2,325,639.21 is: 3,488,634.17
Step by Step Solution
- Step 1: Write the proportion equation
7,790,976.13 : 11,687,051.62 = 2,325,639.21 : x - Step 2: Convert to fraction form
7,790,976.13/11,687,051.62 = 2,325,639.21/x - Step 3: Cross multiply
7,790,976.13x = 11,687,051.62 × 2,325,639.21 - Step 4: Simplify right side
7,790,976.13x = 27,179,865,514,355.45 - Step 5: Solve for x
x = 27,179,865,514,355.45/7,790,976.13 - Step 6: Final answer
x = 3,488,634.17
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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.