Finding the Fourth Proportional to 3,924,357, 5,414,395.55 and 2,291,586.54
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Solution
The fourth proportional to 3,924,357, 5,414,395.55 and 2,291,586.54 is: 3,161,678.70
Step by Step Solution
- Step 1: Write the proportion equation
3,924,357 : 5,414,395.55 = 2,291,586.54 : x - Step 2: Convert to fraction form
3,924,357/5,414,395.55 = 2,291,586.54/x - Step 3: Cross multiply
3,924,357x = 5,414,395.55 × 2,291,586.54 - Step 4: Simplify right side
3,924,357x = 12,407,555,953,157.96 - Step 5: Solve for x
x = 12,407,555,953,157.96/3,924,357 - Step 6: Final answer
x = 3,161,678.70
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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.