Finding the Fourth Proportional to 3,762,222.19, 5,191,867.94 and 2,130,629.94
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Solution
The fourth proportional to 3,762,222.19, 5,191,867.94 and 2,130,629.94 is: 2,940,270.06
Step by Step Solution
- Step 1: Write the proportion equation
3,762,222.19 : 5,191,867.94 = 2,130,629.94 : x - Step 2: Convert to fraction form
3,762,222.19/5,191,867.94 = 2,130,629.94/x - Step 3: Cross multiply
3,762,222.19x = 5,191,867.94 × 2,130,629.94 - Step 4: Simplify right side
3,762,222.19x = 11,061,949,266,836.97 - Step 5: Solve for x
x = 11,061,949,266,836.97/3,762,222.19 - Step 6: Final answer
x = 2,940,270.06
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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.