Finding the Fourth Proportional to 1,520,236.70, 2,097,926.85 and 831,908.70
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Solution
The fourth proportional to 1,520,236.70, 2,097,926.85 and 831,908.70 is: 1,148,034.12
Step by Step Solution
- Step 1: Write the proportion equation
1,520,236.70 : 2,097,926.85 = 831,908.70 : x - Step 2: Convert to fraction form
1,520,236.70/2,097,926.85 = 831,908.70/x - Step 3: Cross multiply
1,520,236.70x = 2,097,926.85 × 831,908.70 - Step 4: Simplify right side
1,520,236.70x = 1,745,283,598,478.60 - Step 5: Solve for x
x = 1,745,283,598,478.60/1,520,236.70 - Step 6: Final answer
x = 1,148,034.12
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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.