Finding the Fourth Proportional to 5,335,245.36, 7,362,637.56 and 2,887,855.92
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Solution
The fourth proportional to 5,335,245.36, 7,362,637.56 and 2,887,855.92 is: 3,985,240.61
Step by Step Solution
- Step 1: Write the proportion equation
5,335,245.36 : 7,362,637.56 = 2,887,855.92 : x - Step 2: Convert to fraction form
5,335,245.36/7,362,637.56 = 2,887,855.92/x - Step 3: Cross multiply
5,335,245.36x = 7,362,637.56 × 2,887,855.92 - Step 4: Simplify right side
5,335,245.36x = 21,262,236,464,460.35 - Step 5: Solve for x
x = 21,262,236,464,460.35/5,335,245.36 - Step 6: Final answer
x = 3,985,240.61
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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.