Finding the Fourth Proportional to 2,752,571.55, 4,128,857.33 and 2,353,990.80
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Solution
The fourth proportional to 2,752,571.55, 4,128,857.33 and 2,353,990.80 is: 3,530,986.20
Step by Step Solution
- Step 1: Write the proportion equation
2,752,571.55 : 4,128,857.33 = 2,353,990.80 : x - Step 2: Convert to fraction form
2,752,571.55/4,128,857.33 = 2,353,990.80/x - Step 3: Cross multiply
2,752,571.55x = 4,128,857.33 × 2,353,990.80 - Step 4: Simplify right side
2,752,571.55x = 9,719,292,157,562.61 - Step 5: Solve for x
x = 9,719,292,157,562.61/2,752,571.55 - Step 6: Final answer
x = 3,530,986.20
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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.