Finding the Fourth Proportional to 4,798,355.11, 6,621,730.37 and 2,622,906.88
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Solution
The fourth proportional to 4,798,355.11, 6,621,730.37 and 2,622,906.88 is: 3,619,611.67
Step by Step Solution
- Step 1: Write the proportion equation
4,798,355.11 : 6,621,730.37 = 2,622,906.88 : x - Step 2: Convert to fraction form
4,798,355.11/6,621,730.37 = 2,622,906.88/x - Step 3: Cross multiply
4,798,355.11x = 6,621,730.37 × 2,622,906.88 - Step 4: Simplify right side
4,798,355.11x = 17,368,182,144,977.95 - Step 5: Solve for x
x = 17,368,182,144,977.95/4,798,355.11 - Step 6: Final answer
x = 3,619,611.67
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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.