Finding the Fourth Proportional to 1,786,382.40, 2,681,847.36 and 1,157,926.08
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Solution
The fourth proportional to 1,786,382.40, 2,681,847.36 and 1,157,926.08 is: 1,738,362.96
Step by Step Solution
- Step 1: Write the proportion equation
1,786,382.40 : 2,681,847.36 = 1,157,926.08 : x - Step 2: Convert to fraction form
1,786,382.40/2,681,847.36 = 1,157,926.08/x - Step 3: Cross multiply
1,786,382.40x = 2,681,847.36 × 1,157,926.08 - Step 4: Simplify right side
1,786,382.40x = 3,105,381,000,723.15 - Step 5: Solve for x
x = 3,105,381,000,723.15/1,786,382.40 - Step 6: Final answer
x = 1,738,362.96
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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.