Finding the Fourth Proportional to 3,888,847.21, 5,365,807.94 and 2,234,674.81
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Solution
The fourth proportional to 3,888,847.21, 5,365,807.94 and 2,234,674.81 is: 3,083,390.84
Step by Step Solution
- Step 1: Write the proportion equation
3,888,847.21 : 5,365,807.94 = 2,234,674.81 : x - Step 2: Convert to fraction form
3,888,847.21/5,365,807.94 = 2,234,674.81/x - Step 3: Cross multiply
3,888,847.21x = 5,365,807.94 × 2,234,674.81 - Step 4: Simplify right side
3,888,847.21x = 11,990,835,851,109.94 - Step 5: Solve for x
x = 11,990,835,851,109.94/3,888,847.21 - Step 6: Final answer
x = 3,083,390.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.