Finding the Fourth Proportional to 4,831,938.96, 6,668,120.60 and 2,656,497.40
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Solution
The fourth proportional to 4,831,938.96, 6,668,120.60 and 2,656,497.40 is: 3,665,991.06
Step by Step Solution
- Step 1: Write the proportion equation
4,831,938.96 : 6,668,120.60 = 2,656,497.40 : x - Step 2: Convert to fraction form
4,831,938.96/6,668,120.60 = 2,656,497.40/x - Step 3: Cross multiply
4,831,938.96x = 6,668,120.60 × 2,656,497.40 - Step 4: Simplify right side
4,831,938.96x = 17,713,845,036,786.44 - Step 5: Solve for x
x = 17,713,845,036,786.44/4,831,938.96 - Step 6: Final answer
x = 3,665,991.06
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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.