Finding the Fourth Proportional to 5,245,858.51, 7,868,801.81 and 1,459,341.79
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Solution
The fourth proportional to 5,245,858.51, 7,868,801.81 and 1,459,341.79 is: 2,189,016.59
Step by Step Solution
- Step 1: Write the proportion equation
5,245,858.51 : 7,868,801.81 = 1,459,341.79 : x - Step 2: Convert to fraction form
5,245,858.51/7,868,801.81 = 1,459,341.79/x - Step 3: Cross multiply
5,245,858.51x = 7,868,801.81 × 1,459,341.79 - Step 4: Simplify right side
5,245,858.51x = 11,483,271,318,560.64 - Step 5: Solve for x
x = 11,483,271,318,560.64/5,245,858.51 - Step 6: Final answer
x = 2,189,016.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.