Finding the Fourth Proportional to 3,012,097.95, 4,156,676.49 and 1,722,959.88
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Solution
The fourth proportional to 3,012,097.95, 4,156,676.49 and 1,722,959.88 is: 2,377,673.95
Step by Step Solution
- Step 1: Write the proportion equation
3,012,097.95 : 4,156,676.49 = 1,722,959.88 : x - Step 2: Convert to fraction form
3,012,097.95/4,156,676.49 = 1,722,959.88/x - Step 3: Cross multiply
3,012,097.95x = 4,156,676.49 × 1,722,959.88 - Step 4: Simplify right side
3,012,097.95x = 7,161,786,826,409.22 - Step 5: Solve for x
x = 7,161,786,826,409.22/3,012,097.95 - Step 6: Final answer
x = 2,377,673.95
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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.