Finding the Fourth Proportional to 4,089,838.20, 6,134,699.70 and 1,845,972.60
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Solution
The fourth proportional to 4,089,838.20, 6,134,699.70 and 1,845,972.60 is: 2,768,932.90
Step by Step Solution
- Step 1: Write the proportion equation
4,089,838.20 : 6,134,699.70 = 1,845,972.60 : x - Step 2: Convert to fraction form
4,089,838.20/6,134,699.70 = 1,845,972.60/x - Step 3: Cross multiply
4,089,838.20x = 6,134,699.70 × 1,845,972.60 - Step 4: Simplify right side
4,089,838.20x = 11,324,487,555,428.22 - Step 5: Solve for x
x = 11,324,487,555,428.22/4,089,838.20 - Step 6: Final answer
x = 2,768,932.90
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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.