Finding the Fourth Proportional to 5,324,610.76, 7,986,916.13 and 1,281,098.63
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Solution
The fourth proportional to 5,324,610.76, 7,986,916.13 and 1,281,098.63 is: 1,921,647.95
Step by Step Solution
- Step 1: Write the proportion equation
5,324,610.76 : 7,986,916.13 = 1,281,098.63 : x - Step 2: Convert to fraction form
5,324,610.76/7,986,916.13 = 1,281,098.63/x - Step 3: Cross multiply
5,324,610.76x = 7,986,916.13 × 1,281,098.63 - Step 4: Simplify right side
5,324,610.76x = 10,232,027,325,629.70 - Step 5: Solve for x
x = 10,232,027,325,629.70/5,324,610.76 - Step 6: Final answer
x = 1,921,647.95
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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.