Finding the Fourth Proportional to 4,811,664.29, 6,640,096.57 and 2,636,289.81
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Solution
The fourth proportional to 4,811,664.29, 6,640,096.57 and 2,636,289.81 is: 3,638,079.86
Step by Step Solution
- Step 1: Write the proportion equation
4,811,664.29 : 6,640,096.57 = 2,636,289.81 : x - Step 2: Convert to fraction form
4,811,664.29/6,640,096.57 = 2,636,289.81/x - Step 3: Cross multiply
4,811,664.29x = 6,640,096.57 × 2,636,289.81 - Step 4: Simplify right side
4,811,664.29x = 17,505,218,918,316.23 - Step 5: Solve for x
x = 17,505,218,918,316.23/4,811,664.29 - Step 6: Final answer
x = 3,638,079.86
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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.