Finding the Fourth Proportional to 4,623,872.82, 6,382,228.05 and 2,690,508.12
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Solution
The fourth proportional to 4,623,872.82, 6,382,228.05 and 2,690,508.12 is: 3,713,648.07
Step by Step Solution
- Step 1: Write the proportion equation
4,623,872.82 : 6,382,228.05 = 2,690,508.12 : x - Step 2: Convert to fraction form
4,623,872.82/6,382,228.05 = 2,690,508.12/x - Step 3: Cross multiply
4,623,872.82x = 6,382,228.05 × 2,690,508.12 - Step 4: Simplify right side
4,623,872.82x = 17,171,436,392,216.77 - Step 5: Solve for x
x = 17,171,436,392,216.77/4,623,872.82 - Step 6: Final answer
x = 3,713,648.07
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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.