Finding the Fourth Proportional to 4,285,849.22, 6,428,809.87 and 1,090,975.94
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Solution
The fourth proportional to 4,285,849.22, 6,428,809.87 and 1,090,975.94 is: 1,636,473.08
Step by Step Solution
- Step 1: Write the proportion equation
4,285,849.22 : 6,428,809.87 = 1,090,975.94 : x - Step 2: Convert to fraction form
4,285,849.22/6,428,809.87 = 1,090,975.94/x - Step 3: Cross multiply
4,285,849.22x = 6,428,809.87 × 1,090,975.94 - Step 4: Simplify right side
4,285,849.22x = 7,013,676,891,004.53 - Step 5: Solve for x
x = 7,013,676,891,004.53/4,285,849.22 - Step 6: Final answer
x = 1,636,473.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.