Finding the Fourth Proportional to 3,552,240.80, 5,323,987.20 and 2,415,000.80
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Solution
The fourth proportional to 3,552,240.80, 5,323,987.20 and 2,415,000.80 is: 3,619,527.52
Step by Step Solution
- Step 1: Write the proportion equation
3,552,240.80 : 5,323,987.20 = 2,415,000.80 : x - Step 2: Convert to fraction form
3,552,240.80/5,323,987.20 = 2,415,000.80/x - Step 3: Cross multiply
3,552,240.80x = 5,323,987.20 × 2,415,000.80 - Step 4: Simplify right side
3,552,240.80x = 12,857,433,347,189.76 - Step 5: Solve for x
x = 12,857,433,347,189.76/3,552,240.80 - Step 6: Final answer
x = 3,619,527.52
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1.5x scale
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.