Finding the Fourth Proportional to 2,114,740.15, 2,910,965.92 and 1,825,270.09
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Solution
The fourth proportional to 2,114,740.15, 2,910,965.92 and 1,825,270.09 is: 2,512,506.81
Step by Step Solution
- Step 1: Write the proportion equation
2,114,740.15 : 2,910,965.92 = 1,825,270.09 : x - Step 2: Convert to fraction form
2,114,740.15/2,910,965.92 = 1,825,270.09/x - Step 3: Cross multiply
2,114,740.15x = 2,910,965.92 × 1,825,270.09 - Step 4: Simplify right side
2,114,740.15x = 5,313,299,026,785.33 - Step 5: Solve for x
x = 5,313,299,026,785.33/2,114,740.15 - Step 6: Final answer
x = 2,512,506.81
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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.