Finding the Fourth Proportional to 5,273,633.80, 7,949,977.66 and 4,922,092.60
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Solution
The fourth proportional to 5,273,633.80, 7,949,977.66 and 4,922,092.60 is: 7,420,030.99
Step by Step Solution
- Step 1: Write the proportion equation
5,273,633.80 : 7,949,977.66 = 4,922,092.60 : x - Step 2: Convert to fraction form
5,273,633.80/7,949,977.66 = 4,922,092.60/x - Step 3: Cross multiply
5,273,633.80x = 7,949,977.66 × 4,922,092.60 - Step 4: Simplify right side
5,273,633.80x = 39,130,526,210,451.31 - Step 5: Solve for x
x = 39,130,526,210,451.31/5,273,633.80 - Step 6: Final answer
x = 7,420,030.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.