Finding the Fourth Proportional to 4,043,401.05, 5,579,920.43 and 2,207,872.08
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Solution
The fourth proportional to 4,043,401.05, 5,579,920.43 and 2,207,872.08 is: 3,046,878.20
Step by Step Solution
- Step 1: Write the proportion equation
4,043,401.05 : 5,579,920.43 = 2,207,872.08 : x - Step 2: Convert to fraction form
4,043,401.05/5,579,920.43 = 2,207,872.08/x - Step 3: Cross multiply
4,043,401.05x = 5,579,920.43 × 2,207,872.08 - Step 4: Simplify right side
4,043,401.05x = 12,319,750,514,979.23 - Step 5: Solve for x
x = 12,319,750,514,979.23/4,043,401.05 - Step 6: Final answer
x = 3,046,878.20
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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.