Finding the Fourth Proportional to 4,775,436.84, 7,163,933.34 and 1,409,984.04
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Solution
The fourth proportional to 4,775,436.84, 7,163,933.34 and 1,409,984.04 is: 2,115,205.79
Step by Step Solution
- Step 1: Write the proportion equation
4,775,436.84 : 7,163,933.34 = 1,409,984.04 : x - Step 2: Convert to fraction form
4,775,436.84/7,163,933.34 = 1,409,984.04/x - Step 3: Cross multiply
4,775,436.84x = 7,163,933.34 × 1,409,984.04 - Step 4: Simplify right side
4,775,436.84x = 10,101,031,673,023.89 - Step 5: Solve for x
x = 10,101,031,673,023.89/4,775,436.84 - Step 6: Final answer
x = 2,115,205.79
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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.