Finding the Fourth Proportional to 2,512,549.53, 3,458,566.76 and 2,189,699.73
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Solution
The fourth proportional to 2,512,549.53, 3,458,566.76 and 2,189,699.73 is: 3,014,158.57
Step by Step Solution
- Step 1: Write the proportion equation
2,512,549.53 : 3,458,566.76 = 2,189,699.73 : x - Step 2: Convert to fraction form
2,512,549.53/3,458,566.76 = 2,189,699.73/x - Step 3: Cross multiply
2,512,549.53x = 3,458,566.76 × 2,189,699.73 - Step 4: Simplify right side
2,512,549.53x = 7,573,222,689,610.48 - Step 5: Solve for x
x = 7,573,222,689,610.48/2,512,549.53 - Step 6: Final answer
x = 3,014,158.57
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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.