Finding the Fourth Proportional to 5,635,316.70, 8,457,640.65 and 2,607,342.30
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Solution
The fourth proportional to 5,635,316.70, 8,457,640.65 and 2,607,342.30 is: 3,913,172.12
Step by Step Solution
- Step 1: Write the proportion equation
5,635,316.70 : 8,457,640.65 = 2,607,342.30 : x - Step 2: Convert to fraction form
5,635,316.70/8,457,640.65 = 2,607,342.30/x - Step 3: Cross multiply
5,635,316.70x = 8,457,640.65 × 2,607,342.30 - Step 4: Simplify right side
5,635,316.70x = 22,051,964,224,944.50 - Step 5: Solve for x
x = 22,051,964,224,944.50/5,635,316.70 - Step 6: Final answer
x = 3,913,172.12
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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.