Finding the Fourth Proportional to 3,602,550.64, 4,970,705.94 and 2,151,962.14
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Solution
The fourth proportional to 3,602,550.64, 4,970,705.94 and 2,151,962.14 is: 2,969,221.55
Step by Step Solution
- Step 1: Write the proportion equation
3,602,550.64 : 4,970,705.94 = 2,151,962.14 : x - Step 2: Convert to fraction form
3,602,550.64/4,970,705.94 = 2,151,962.14/x - Step 3: Cross multiply
3,602,550.64x = 4,970,705.94 × 2,151,962.14 - Step 4: Simplify right side
3,602,550.64x = 10,696,770,991,953.11 - Step 5: Solve for x
x = 10,696,770,991,953.11/3,602,550.64 - Step 6: Final answer
x = 2,969,221.55
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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.