Finding the Fourth Proportional to 5,921,427.20, 8,868,149.28 and 2,890,868.48
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Solution
The fourth proportional to 5,921,427.20, 8,868,149.28 and 2,890,868.48 is: 4,329,471.99
Step by Step Solution
- Step 1: Write the proportion equation
5,921,427.20 : 8,868,149.28 = 2,890,868.48 : x - Step 2: Convert to fraction form
5,921,427.20/8,868,149.28 = 2,890,868.48/x - Step 3: Cross multiply
5,921,427.20x = 8,868,149.28 × 2,890,868.48 - Step 4: Simplify right side
5,921,427.20x = 25,636,653,229,486.69 - Step 5: Solve for x
x = 25,636,653,229,486.69/5,921,427.20 - Step 6: Final answer
x = 4,329,471.99
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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.