Finding the Fourth Proportional to 4,117,567.80, 6,178,778.10 and 1,721,227.80
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Solution
The fourth proportional to 4,117,567.80, 6,178,778.10 and 1,721,227.80 is: 2,582,855.98
Step by Step Solution
- Step 1: Write the proportion equation
4,117,567.80 : 6,178,778.10 = 1,721,227.80 : x - Step 2: Convert to fraction form
4,117,567.80/6,178,778.10 = 1,721,227.80/x - Step 3: Cross multiply
4,117,567.80x = 6,178,778.10 × 1,721,227.80 - Step 4: Simplify right side
4,117,567.80x = 10,635,084,635,751.18 - Step 5: Solve for x
x = 10,635,084,635,751.18/4,117,567.80 - Step 6: Final answer
x = 2,582,855.98
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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.