Finding the Fourth Proportional to 5,874,021.63, 8,106,662.79 and 3,427,420.88
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Solution
The fourth proportional to 5,874,021.63, 8,106,662.79 and 3,427,420.88 is: 4,730,140.11
Step by Step Solution
- Step 1: Write the proportion equation
5,874,021.63 : 8,106,662.79 = 3,427,420.88 : x - Step 2: Convert to fraction form
5,874,021.63/8,106,662.79 = 3,427,420.88/x - Step 3: Cross multiply
5,874,021.63x = 8,106,662.79 × 3,427,420.88 - Step 4: Simplify right side
5,874,021.63x = 27,784,945,333,831.71 - Step 5: Solve for x
x = 27,784,945,333,831.71/5,874,021.63 - Step 6: Final answer
x = 4,730,140.11
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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.