Finding the Fourth Proportional to 5,423,160.54, 7,483,912.47 and 2,975,725.02
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Solution
The fourth proportional to 5,423,160.54, 7,483,912.47 and 2,975,725.02 is: 4,106,473.60
Step by Step Solution
- Step 1: Write the proportion equation
5,423,160.54 : 7,483,912.47 = 2,975,725.02 : x - Step 2: Convert to fraction form
5,423,160.54/7,483,912.47 = 2,975,725.02/x - Step 3: Cross multiply
5,423,160.54x = 7,483,912.47 × 2,975,725.02 - Step 4: Simplify right side
5,423,160.54x = 22,270,065,584,469 - Step 5: Solve for x
x = 22,270,065,584,469/5,423,160.54 - Step 6: Final answer
x = 4,106,473.60
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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.