Finding the Fourth Proportional to 5,423,236.84, 7,483,816.74 and 2,975,788.36
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Solution
The fourth proportional to 5,423,236.84, 7,483,816.74 and 2,975,788.36 is: 4,106,450.70
Step by Step Solution
- Step 1: Write the proportion equation
5,423,236.84 : 7,483,816.74 = 2,975,788.36 : x - Step 2: Convert to fraction form
5,423,236.84/7,483,816.74 = 2,975,788.36/x - Step 3: Cross multiply
5,423,236.84x = 7,483,816.74 × 2,975,788.36 - Step 4: Simplify right side
5,423,236.84x = 22,270,254,743,265.14 - Step 5: Solve for x
x = 22,270,254,743,265.14/5,423,236.84 - Step 6: Final answer
x = 4,106,450.70
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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.