Finding the Fourth Proportional to 4,642,826.86, 6,961,869.62 and 2,727,478.99
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Solution
The fourth proportional to 4,642,826.86, 6,961,869.62 and 2,727,478.99 is: 4,089,825.81
Step by Step Solution
- Step 1: Write the proportion equation
4,642,826.86 : 6,961,869.62 = 2,727,478.99 : x - Step 2: Convert to fraction form
4,642,826.86/6,961,869.62 = 2,727,478.99/x - Step 3: Cross multiply
4,642,826.86x = 6,961,869.62 × 2,727,478.99 - Step 4: Simplify right side
4,642,826.86x = 18,988,353,119,669.29 - Step 5: Solve for x
x = 18,988,353,119,669.29/4,642,826.86 - Step 6: Final answer
x = 4,089,825.81
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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.