Finding the Fourth Proportional to 5,682,799.36, 7,842,378.72 and 3,104,647.12
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Solution
The fourth proportional to 5,682,799.36, 7,842,378.72 and 3,104,647.12 is: 4,284,476.18
Step by Step Solution
- Step 1: Write the proportion equation
5,682,799.36 : 7,842,378.72 = 3,104,647.12 : x - Step 2: Convert to fraction form
5,682,799.36/7,842,378.72 = 3,104,647.12/x - Step 3: Cross multiply
5,682,799.36x = 7,842,378.72 × 3,104,647.12 - Step 4: Simplify right side
5,682,799.36x = 24,347,818,506,997.29 - Step 5: Solve for x
x = 24,347,818,506,997.29/5,682,799.36 - Step 6: Final answer
x = 4,284,476.18
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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.