Finding the Fourth Proportional to 4,642,688.63, 6,407,110.37 and 2,577,704.29
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Solution
The fourth proportional to 4,642,688.63, 6,407,110.37 and 2,577,704.29 is: 3,557,342.99
Step by Step Solution
- Step 1: Write the proportion equation
4,642,688.63 : 6,407,110.37 = 2,577,704.29 : x - Step 2: Convert to fraction form
4,642,688.63/6,407,110.37 = 2,577,704.29/x - Step 3: Cross multiply
4,642,688.63x = 6,407,110.37 × 2,577,704.29 - Step 4: Simplify right side
4,642,688.63x = 16,515,635,842,328.42 - Step 5: Solve for x
x = 16,515,635,842,328.42/4,642,688.63 - Step 6: Final answer
x = 3,557,342.99
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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.