Finding the Fourth Proportional to 4,821,409.12, 6,653,104.82 and 2,860,949.36
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Solution
The fourth proportional to 4,821,409.12, 6,653,104.82 and 2,860,949.36 is: 3,947,849.17
Step by Step Solution
- Step 1: Write the proportion equation
4,821,409.12 : 6,653,104.82 = 2,860,949.36 : x - Step 2: Convert to fraction form
4,821,409.12/6,653,104.82 = 2,860,949.36/x - Step 3: Cross multiply
4,821,409.12x = 6,653,104.82 × 2,860,949.36 - Step 4: Simplify right side
4,821,409.12x = 19,034,195,976,791.91 - Step 5: Solve for x
x = 19,034,195,976,791.91/4,821,409.12 - Step 6: Final answer
x = 3,947,849.17
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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.