Finding the Fourth Proportional to 3,044,979.18, 4,202,137.17 and 1,668,423.06
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Solution
The fourth proportional to 3,044,979.18, 4,202,137.17 and 1,668,423.06 is: 2,302,459.93
Step by Step Solution
- Step 1: Write the proportion equation
3,044,979.18 : 4,202,137.17 = 1,668,423.06 : x - Step 2: Convert to fraction form
3,044,979.18/4,202,137.17 = 1,668,423.06/x - Step 3: Cross multiply
3,044,979.18x = 4,202,137.17 × 1,668,423.06 - Step 4: Simplify right side
3,044,979.18x = 7,010,942,555,711.14 - Step 5: Solve for x
x = 7,010,942,555,711.14/3,044,979.18 - Step 6: Final answer
x = 2,302,459.93
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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.