Finding the Fourth Proportional to 5,088,388.29, 7,632,543.55 and 1,301,865.09
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Solution
The fourth proportional to 5,088,388.29, 7,632,543.55 and 1,301,865.09 is: 1,952,787.69
Step by Step Solution
- Step 1: Write the proportion equation
5,088,388.29 : 7,632,543.55 = 1,301,865.09 : x - Step 2: Convert to fraction form
5,088,388.29/7,632,543.55 = 1,301,865.09/x - Step 3: Cross multiply
5,088,388.29x = 7,632,543.55 × 1,301,865.09 - Step 4: Simplify right side
5,088,388.29x = 9,936,541,995,649.67 - Step 5: Solve for x
x = 9,936,541,995,649.67/5,088,388.29 - Step 6: Final answer
x = 1,952,787.69
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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.