Finding the Fourth Proportional to 5,259,421.94, 7,258,115.58 and 2,904,612.36
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Solution
The fourth proportional to 5,259,421.94, 7,258,115.58 and 2,904,612.36 is: 4,008,427.63
Step by Step Solution
- Step 1: Write the proportion equation
5,259,421.94 : 7,258,115.58 = 2,904,612.36 : x - Step 2: Convert to fraction form
5,259,421.94/7,258,115.58 = 2,904,612.36/x - Step 3: Cross multiply
5,259,421.94x = 7,258,115.58 × 2,904,612.36 - Step 4: Simplify right side
5,259,421.94x = 21,082,012,223,976.57 - Step 5: Solve for x
x = 21,082,012,223,976.57/5,259,421.94 - Step 6: Final answer
x = 4,008,427.63
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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.