Finding the Fourth Proportional to 3,526,461.20, 5,289,691.80 and 867,069.20
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Solution
The fourth proportional to 3,526,461.20, 5,289,691.80 and 867,069.20 is: 1,300,603.80
Step by Step Solution
- Step 1: Write the proportion equation
3,526,461.20 : 5,289,691.80 = 867,069.20 : x - Step 2: Convert to fraction form
3,526,461.20/5,289,691.80 = 867,069.20/x - Step 3: Cross multiply
3,526,461.20x = 5,289,691.80 × 867,069.20 - Step 4: Simplify right side
3,526,461.20x = 4,586,528,837,272.56 - Step 5: Solve for x
x = 4,586,528,837,272.56/3,526,461.20 - Step 6: Final answer
x = 1,300,603.80
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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.