Finding the Fourth Proportional to 4,849,821.36, 6,689,975.40 and 3,035,836.08
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Solution
The fourth proportional to 4,849,821.36, 6,689,975.40 and 3,035,836.08 is: 4,187,714.80
Step by Step Solution
- Step 1: Write the proportion equation
4,849,821.36 : 6,689,975.40 = 3,035,836.08 : x - Step 2: Convert to fraction form
4,849,821.36/6,689,975.40 = 3,035,836.08/x - Step 3: Cross multiply
4,849,821.36x = 6,689,975.40 × 3,035,836.08 - Step 4: Simplify right side
4,849,821.36x = 20,309,668,693,632.43 - Step 5: Solve for x
x = 20,309,668,693,632.43/4,849,821.36 - Step 6: Final answer
x = 4,187,714.80
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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.