Finding the Fourth Proportional to 991,933.10, 1,491,010.05 and 973,270.70
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Solution
The fourth proportional to 991,933.10, 1,491,010.05 and 973,270.70 is: 1,462,957.93
Step by Step Solution
- Step 1: Write the proportion equation
991,933.10 : 1,491,010.05 = 973,270.70 : x - Step 2: Convert to fraction form
991,933.10/1,491,010.05 = 973,270.70/x - Step 3: Cross multiply
991,933.10x = 1,491,010.05 × 973,270.70 - Step 4: Simplify right side
991,933.10x = 1,451,156,395,070.54 - Step 5: Solve for x
x = 1,451,156,395,070.54/991,933.10 - Step 6: Final answer
x = 1,462,957.93
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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.