Finding the Fourth Proportional to 2,474,709.48, 3,415,233.04 and 1,387,330.64
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Solution
The fourth proportional to 2,474,709.48, 3,415,233.04 and 1,387,330.64 is: 1,914,591.38
Step by Step Solution
- Step 1: Write the proportion equation
2,474,709.48 : 3,415,233.04 = 1,387,330.64 : x - Step 2: Convert to fraction form
2,474,709.48/3,415,233.04 = 1,387,330.64/x - Step 3: Cross multiply
2,474,709.48x = 3,415,233.04 × 1,387,330.64 - Step 4: Simplify right side
2,474,709.48x = 4,738,057,439,132.35 - Step 5: Solve for x
x = 4,738,057,439,132.35/2,474,709.48 - Step 6: Final answer
x = 1,914,591.38
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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.