Finding the Fourth Proportional to 5,064,581.49, 6,989,788.04 and 2,888,625.84
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Solution
The fourth proportional to 5,064,581.49, 6,989,788.04 and 2,888,625.84 is: 3,986,683.28
Step by Step Solution
- Step 1: Write the proportion equation
5,064,581.49 : 6,989,788.04 = 2,888,625.84 : x - Step 2: Convert to fraction form
5,064,581.49/6,989,788.04 = 2,888,625.84/x - Step 3: Cross multiply
5,064,581.49x = 6,989,788.04 × 2,888,625.84 - Step 4: Simplify right side
5,064,581.49x = 20,190,882,334,023.82 - Step 5: Solve for x
x = 20,190,882,334,023.82/5,064,581.49 - Step 6: Final answer
x = 3,986,683.28
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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.