Finding the Fourth Proportional to 1,608,613.05, 2,412,917.63 and 410,535.49
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Solution
The fourth proportional to 1,608,613.05, 2,412,917.63 and 410,535.49 is: 615,802.74
Step by Step Solution
- Step 1: Write the proportion equation
1,608,613.05 : 2,412,917.63 = 410,535.49 : x - Step 2: Convert to fraction form
1,608,613.05/2,412,917.63 = 410,535.49/x - Step 3: Cross multiply
1,608,613.05x = 2,412,917.63 × 410,535.49 - Step 4: Simplify right side
1,608,613.05x = 990,588,318,963.15 - Step 5: Solve for x
x = 990,588,318,963.15/1,608,613.05 - Step 6: Final answer
x = 615,802.74
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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.