Finding the Fourth Proportional to 5,343,965.96, 8,015,965.14 and 1,300,454.48
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Solution
The fourth proportional to 5,343,965.96, 8,015,965.14 and 1,300,454.48 is: 1,950,685.66
Step by Step Solution
- Step 1: Write the proportion equation
5,343,965.96 : 8,015,965.14 = 1,300,454.48 : x - Step 2: Convert to fraction form
5,343,965.96/8,015,965.14 = 1,300,454.48/x - Step 3: Cross multiply
5,343,965.96x = 8,015,965.14 × 1,300,454.48 - Step 4: Simplify right side
5,343,965.96x = 10,424,397,777,836.83 - Step 5: Solve for x
x = 10,424,397,777,836.83/5,343,965.96 - Step 6: Final answer
x = 1,950,685.66
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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.