Finding the Fourth Proportional to 4,643,636.97, 6,408,379.36 and 2,578,687.12
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Solution
The fourth proportional to 4,643,636.97, 6,408,379.36 and 2,578,687.12 is: 3,558,677.27
Step by Step Solution
- Step 1: Write the proportion equation
4,643,636.97 : 6,408,379.36 = 2,578,687.12 : x - Step 2: Convert to fraction form
4,643,636.97/6,408,379.36 = 2,578,687.12/x - Step 3: Cross multiply
4,643,636.97x = 6,408,379.36 × 2,578,687.12 - Step 4: Simplify right side
4,643,636.97x = 16,525,205,315,705.85 - Step 5: Solve for x
x = 16,525,205,315,705.85/4,643,636.97 - Step 6: Final answer
x = 3,558,677.27
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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.