Finding the Fourth Proportional to 5,528,026.61, 7,628,683.97 and 3,080,583.92
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Solution
The fourth proportional to 5,528,026.61, 7,628,683.97 and 3,080,583.92 is: 4,251,209.84
Step by Step Solution
- Step 1: Write the proportion equation
5,528,026.61 : 7,628,683.97 = 3,080,583.92 : x - Step 2: Convert to fraction form
5,528,026.61/7,628,683.97 = 3,080,583.92/x - Step 3: Cross multiply
5,528,026.61x = 7,628,683.97 × 3,080,583.92 - Step 4: Simplify right side
5,528,026.61x = 23,500,801,135,277.30 - Step 5: Solve for x
x = 23,500,801,135,277.30/5,528,026.61 - Step 6: Final answer
x = 4,251,209.84
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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.