Finding the Fourth Proportional to 5,382,334.28, 7,427,567.09 and 2,934,939.13
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Solution
The fourth proportional to 5,382,334.28, 7,427,567.09 and 2,934,939.13 is: 4,050,186.43
Step by Step Solution
- Step 1: Write the proportion equation
5,382,334.28 : 7,427,567.09 = 2,934,939.13 : x - Step 2: Convert to fraction form
5,382,334.28/7,427,567.09 = 2,934,939.13/x - Step 3: Cross multiply
5,382,334.28x = 7,427,567.09 × 2,934,939.13 - Step 4: Simplify right side
5,382,334.28x = 21,799,457,241,328.70 - Step 5: Solve for x
x = 21,799,457,241,328.70/5,382,334.28 - Step 6: Final answer
x = 4,050,186.43
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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.