Finding the Fourth Proportional to 5,531,783.08, 7,635,749.70 and 3,240,673.96
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Solution
The fourth proportional to 5,531,783.08, 7,635,749.70 and 3,240,673.96 is: 4,473,236.72
Step by Step Solution
- Step 1: Write the proportion equation
5,531,783.08 : 7,635,749.70 = 3,240,673.96 : x - Step 2: Convert to fraction form
5,531,783.08/7,635,749.70 = 3,240,673.96/x - Step 3: Cross multiply
5,531,783.08x = 7,635,749.70 × 3,240,673.96 - Step 4: Simplify right side
5,531,783.08x = 24,744,975,217,867.81 - Step 5: Solve for x
x = 24,744,975,217,867.81/5,531,783.08 - Step 6: Final answer
x = 4,473,236.72
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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.