Finding the Fourth Proportional to 5,398,686.24, 7,410,530.16 and 4,773,135.90
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Solution
The fourth proportional to 5,398,686.24, 7,410,530.16 and 4,773,135.90 is: 6,551,865.76
Step by Step Solution
- Step 1: Write the proportion equation
5,398,686.24 : 7,410,530.16 = 4,773,135.90 : x - Step 2: Convert to fraction form
5,398,686.24/7,410,530.16 = 4,773,135.90/x - Step 3: Cross multiply
5,398,686.24x = 7,410,530.16 × 4,773,135.90 - Step 4: Simplify right side
5,398,686.24x = 35,371,467,544,728.75 - Step 5: Solve for x
x = 35,371,467,544,728.75/5,398,686.24 - Step 6: Final answer
x = 6,551,865.76
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.