Finding the Fourth Proportional to 6,378,943.32, 8,802,622.62 and 3,625,267.32
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Solution
The fourth proportional to 6,378,943.32, 8,802,622.62 and 3,625,267.32 is: 5,002,687.52
Step by Step Solution
- Step 1: Write the proportion equation
6,378,943.32 : 8,802,622.62 = 3,625,267.32 : x - Step 2: Convert to fraction form
6,378,943.32/8,802,622.62 = 3,625,267.32/x - Step 3: Cross multiply
6,378,943.32x = 8,802,622.62 × 3,625,267.32 - Step 4: Simplify right side
6,378,943.32x = 31,911,860,114,578.77 - Step 5: Solve for x
x = 31,911,860,114,578.77/6,378,943.32 - Step 6: Final answer
x = 5,002,687.52
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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.