Finding the Fourth Proportional to 5,483,517.63, 7,564,871.98 and 3,306,851.21
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Solution
The fourth proportional to 5,483,517.63, 7,564,871.98 and 3,306,851.21 is: 4,562,017.98
Step by Step Solution
- Step 1: Write the proportion equation
5,483,517.63 : 7,564,871.98 = 3,306,851.21 : x - Step 2: Convert to fraction form
5,483,517.63/7,564,871.98 = 3,306,851.21/x - Step 3: Cross multiply
5,483,517.63x = 7,564,871.98 × 3,306,851.21 - Step 4: Simplify right side
5,483,517.63x = 25,015,906,014,466.61 - Step 5: Solve for x
x = 25,015,906,014,466.61/5,483,517.63 - Step 6: Final answer
x = 4,562,017.98
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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.