Finding the Fourth Proportional to 5,474,562.96, 8,211,316.20 and 1,687,028.88
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Solution
The fourth proportional to 5,474,562.96, 8,211,316.20 and 1,687,028.88 is: 2,530,380.54
Step by Step Solution
- Step 1: Write the proportion equation
5,474,562.96 : 8,211,316.20 = 1,687,028.88 : x - Step 2: Convert to fraction form
5,474,562.96/8,211,316.20 = 1,687,028.88/x - Step 3: Cross multiply
5,474,562.96x = 8,211,316.20 × 1,687,028.88 - Step 4: Simplify right side
5,474,562.96x = 13,852,727,572,211.86 - Step 5: Solve for x
x = 13,852,727,572,211.86/5,474,562.96 - Step 6: Final answer
x = 2,530,380.54
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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.