Finding the Fourth Proportional to 5,607,221.12, 7,735,523.52 and 3,431,861.12
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Solution
The fourth proportional to 5,607,221.12, 7,735,523.52 and 3,431,861.12 is: 4,734,473.97
Step by Step Solution
- Step 1: Write the proportion equation
5,607,221.12 : 7,735,523.52 = 3,431,861.12 : x - Step 2: Convert to fraction form
5,607,221.12/7,735,523.52 = 3,431,861.12/x - Step 3: Cross multiply
5,607,221.12x = 7,735,523.52 × 3,431,861.12 - Step 4: Simplify right side
5,607,221.12x = 26,547,242,411,133.54 - Step 5: Solve for x
x = 26,547,242,411,133.54/5,607,221.12 - Step 6: Final answer
x = 4,734,473.97
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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.