Finding the Fourth Proportional to 1,371,115.68, 1,891,826.46 and 881,341.08
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Solution
The fourth proportional to 1,371,115.68, 1,891,826.46 and 881,341.08 is: 1,216,049.38
Step by Step Solution
- Step 1: Write the proportion equation
1,371,115.68 : 1,891,826.46 = 881,341.08 : x - Step 2: Convert to fraction form
1,371,115.68/1,891,826.46 = 881,341.08/x - Step 3: Cross multiply
1,371,115.68x = 1,891,826.46 × 881,341.08 - Step 4: Simplify right side
1,371,115.68x = 1,667,344,375,428.98 - Step 5: Solve for x
x = 1,667,344,375,428.98/1,371,115.68 - Step 6: Final answer
x = 1,216,049.38
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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.