Finding the Fourth Proportional to 3,045,229.98, 4,202,235.27 and 1,687,004.70
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Solution
The fourth proportional to 3,045,229.98, 4,202,235.27 and 1,687,004.70 is: 2,327,965.60
Step by Step Solution
- Step 1: Write the proportion equation
3,045,229.98 : 4,202,235.27 = 1,687,004.70 : x - Step 2: Convert to fraction form
3,045,229.98/4,202,235.27 = 1,687,004.70/x - Step 3: Cross multiply
3,045,229.98x = 4,202,235.27 × 1,687,004.70 - Step 4: Simplify right side
3,045,229.98x = 7,089,190,650,995.77 - Step 5: Solve for x
x = 7,089,190,650,995.77/3,045,229.98 - Step 6: Final answer
x = 2,327,965.60
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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.