Finding the Fourth Proportional to 7,151,871.26, 10,734,549.12 and 2,607,312.54
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Solution
The fourth proportional to 7,151,871.26, 10,734,549.12 and 2,607,312.54 is: 3,913,426.78
Step by Step Solution
- Step 1: Write the proportion equation
7,151,871.26 : 10,734,549.12 = 2,607,312.54 : x - Step 2: Convert to fraction form
7,151,871.26/10,734,549.12 = 2,607,312.54/x - Step 3: Cross multiply
7,151,871.26x = 10,734,549.12 × 2,607,312.54 - Step 4: Simplify right side
7,151,871.26x = 27,988,324,531,821.96 - Step 5: Solve for x
x = 27,988,324,531,821.96/7,151,871.26 - Step 6: Final answer
x = 3,913,426.78
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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.