Finding the Fourth Proportional to 1,426,435.62, 2,138,383.49 and 515,414.90
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Solution
The fourth proportional to 1,426,435.62, 2,138,383.49 and 515,414.90 is: 772,663.48
Step by Step Solution
- Step 1: Write the proportion equation
1,426,435.62 : 2,138,383.49 = 515,414.90 : x - Step 2: Convert to fraction form
1,426,435.62/2,138,383.49 = 515,414.90/x - Step 3: Cross multiply
1,426,435.62x = 2,138,383.49 × 515,414.90 - Step 4: Simplify right side
1,426,435.62x = 1,102,154,708,504.92 - Step 5: Solve for x
x = 1,102,154,708,504.92/1,426,435.62 - Step 6: Final answer
x = 772,663.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.