Finding the Fourth Proportional to 2,853,021.65, 3,934,874.16 and 2,508,120.13
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Solution
The fourth proportional to 2,853,021.65, 3,934,874.16 and 2,508,120.13 is: 3,459,187.60
Step by Step Solution
- Step 1: Write the proportion equation
2,853,021.65 : 3,934,874.16 = 2,508,120.13 : x - Step 2: Convert to fraction form
2,853,021.65/3,934,874.16 = 2,508,120.13/x - Step 3: Cross multiply
2,853,021.65x = 3,934,874.16 × 2,508,120.13 - Step 4: Simplify right side
2,853,021.65x = 9,869,137,109,316.63 - Step 5: Solve for x
x = 9,869,137,109,316.63/2,853,021.65 - Step 6: Final answer
x = 3,459,187.60
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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.