Finding the Fourth Proportional to 4,043,394.07, 5,579,910.83 and 2,207,865.11
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Solution
The fourth proportional to 4,043,394.07, 5,579,910.83 and 2,207,865.11 is: 3,046,868.61
Step by Step Solution
- Step 1: Write the proportion equation
4,043,394.07 : 5,579,910.83 = 2,207,865.11 : x - Step 2: Convert to fraction form
4,043,394.07/5,579,910.83 = 2,207,865.11/x - Step 3: Cross multiply
4,043,394.07x = 5,579,910.83 × 2,207,865.11 - Step 4: Simplify right side
4,043,394.07x = 12,319,690,452,417.92 - Step 5: Solve for x
x = 12,319,690,452,417.92/4,043,394.07 - Step 6: Final answer
x = 3,046,868.61
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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.