Finding the Fourth Proportional to 5,392,990.80, 8,089,486.20 and 3,887,241.30
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Solution
The fourth proportional to 5,392,990.80, 8,089,486.20 and 3,887,241.30 is: 5,830,861.95
Step by Step Solution
- Step 1: Write the proportion equation
5,392,990.80 : 8,089,486.20 = 3,887,241.30 : x - Step 2: Convert to fraction form
5,392,990.80/8,089,486.20 = 3,887,241.30/x - Step 3: Cross multiply
5,392,990.80x = 8,089,486.20 × 3,887,241.30 - Step 4: Simplify right side
5,392,990.80x = 31,445,784,852,420.06 - Step 5: Solve for x
x = 31,445,784,852,420.06/5,392,990.80 - Step 6: Final answer
x = 5,830,861.95
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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.