Finding the Fourth Proportional to 6,509,994.49, 9,745,836.21 and 4,345,651.42
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Solution
The fourth proportional to 6,509,994.49, 9,745,836.21 and 4,345,651.42 is: 6,505,690.14
Step by Step Solution
- Step 1: Write the proportion equation
6,509,994.49 : 9,745,836.21 = 4,345,651.42 : x - Step 2: Convert to fraction form
6,509,994.49/9,745,836.21 = 4,345,651.42/x - Step 3: Cross multiply
6,509,994.49x = 9,745,836.21 × 4,345,651.42 - Step 4: Simplify right side
6,509,994.49x = 42,352,006,965,073.92 - Step 5: Solve for x
x = 42,352,006,965,073.92/6,509,994.49 - Step 6: Final answer
x = 6,505,690.14
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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.