Finding the Fourth Proportional to 5,064,613.63, 6,989,832.39 and 2,888,657.98
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Solution
The fourth proportional to 5,064,613.63, 6,989,832.39 and 2,888,657.98 is: 3,986,727.63
Step by Step Solution
- Step 1: Write the proportion equation
5,064,613.63 : 6,989,832.39 = 2,888,657.98 : x - Step 2: Convert to fraction form
5,064,613.63/6,989,832.39 = 2,888,657.98/x - Step 3: Cross multiply
5,064,613.63x = 6,989,832.39 × 2,888,657.98 - Step 4: Simplify right side
5,064,613.63x = 20,191,235,112,235.97 - Step 5: Solve for x
x = 20,191,235,112,235.97/5,064,613.63 - Step 6: Final answer
x = 3,986,727.63
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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.