Finding the Fourth Proportional to 5,474,435.78, 8,211,125.91 and 1,686,901.70
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Solution
The fourth proportional to 5,474,435.78, 8,211,125.91 and 1,686,901.70 is: 2,530,189.93
Step by Step Solution
- Step 1: Write the proportion equation
5,474,435.78 : 8,211,125.91 = 1,686,901.70 : x - Step 2: Convert to fraction form
5,474,435.78/8,211,125.91 = 1,686,901.70/x - Step 3: Cross multiply
5,474,435.78x = 8,211,125.91 × 1,686,901.70 - Step 4: Simplify right side
5,474,435.78x = 13,851,362,256,493.05 - Step 5: Solve for x
x = 13,851,362,256,493.05/5,474,435.78 - Step 6: Final answer
x = 2,530,189.93
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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.