Finding the Fourth Proportional to 3,548,211.21, 4,896,533.34 and 1,916,618.54
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Solution
The fourth proportional to 3,548,211.21, 4,896,533.34 and 1,916,618.54 is: 2,644,934.59
Step by Step Solution
- Step 1: Write the proportion equation
3,548,211.21 : 4,896,533.34 = 1,916,618.54 : x - Step 2: Convert to fraction form
3,548,211.21/4,896,533.34 = 1,916,618.54/x - Step 3: Cross multiply
3,548,211.21x = 4,896,533.34 × 1,916,618.54 - Step 4: Simplify right side
3,548,211.21x = 9,384,786,556,689.46 - Step 5: Solve for x
x = 9,384,786,556,689.46/3,548,211.21 - Step 6: Final answer
x = 2,644,934.59
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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.