Finding the Fourth Proportional to 4,822,447.59, 6,655,063.68 and 2,647,193.20
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Solution
The fourth proportional to 4,822,447.59, 6,655,063.68 and 2,647,193.20 is: 3,653,173.82
Step by Step Solution
- Step 1: Write the proportion equation
4,822,447.59 : 6,655,063.68 = 2,647,193.20 : x - Step 2: Convert to fraction form
4,822,447.59/6,655,063.68 = 2,647,193.20/x - Step 3: Cross multiply
4,822,447.59x = 6,655,063.68 × 2,647,193.20 - Step 4: Simplify right side
4,822,447.59x = 17,617,239,302,625.32 - Step 5: Solve for x
x = 17,617,239,302,625.32/4,822,447.59 - Step 6: Final answer
x = 3,653,173.82
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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.