Finding the Fourth Proportional to 4,288,836.23, 5,918,610.15 and 2,328,717.23
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Solution
The fourth proportional to 4,288,836.23, 5,918,610.15 and 2,328,717.23 is: 3,213,638.55
Step by Step Solution
- Step 1: Write the proportion equation
4,288,836.23 : 5,918,610.15 = 2,328,717.23 : x - Step 2: Convert to fraction form
4,288,836.23/5,918,610.15 = 2,328,717.23/x - Step 3: Cross multiply
4,288,836.23x = 5,918,610.15 × 2,328,717.23 - Step 4: Simplify right side
4,288,836.23x = 13,782,769,433,957.88 - Step 5: Solve for x
x = 13,782,769,433,957.88/4,288,836.23 - Step 6: Final answer
x = 3,213,638.55
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1.5x scale
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.