Finding the Fourth Proportional to 3,543,561.58, 4,888,414.20 and 2,319,328.12
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Solution
The fourth proportional to 3,543,561.58, 4,888,414.20 and 2,319,328.12 is: 3,199,559.61
Step by Step Solution
- Step 1: Write the proportion equation
3,543,561.58 : 4,888,414.20 = 2,319,328.12 : x - Step 2: Convert to fraction form
3,543,561.58/4,888,414.20 = 2,319,328.12/x - Step 3: Cross multiply
3,543,561.58x = 4,888,414.20 × 2,319,328.12 - Step 4: Simplify right side
3,543,561.58x = 11,337,836,516,267.30 - Step 5: Solve for x
x = 11,337,836,516,267.30/3,543,561.58 - Step 6: Final answer
x = 3,199,559.61
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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.