Finding the Fourth Proportional to 5,064,617.73, 6,989,838.06 and 2,888,662.08
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Solution
The fourth proportional to 5,064,617.73, 6,989,838.06 and 2,888,662.08 is: 3,986,733.30
Step by Step Solution
- Step 1: Write the proportion equation
5,064,617.73 : 6,989,838.06 = 2,888,662.08 : x - Step 2: Convert to fraction form
5,064,617.73/6,989,838.06 = 2,888,662.08/x - Step 3: Cross multiply
5,064,617.73x = 6,989,838.06 × 2,888,662.08 - Step 4: Simplify right side
5,064,617.73x = 20,191,280,149,262.77 - Step 5: Solve for x
x = 20,191,280,149,262.77/5,064,617.73 - Step 6: Final answer
x = 3,986,733.30
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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.