Finding the Fourth Proportional to 4,920,455.04, 6,790,230.84 and 2,744,998.16
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Solution
The fourth proportional to 4,920,455.04, 6,790,230.84 and 2,744,998.16 is: 3,788,099.07
Step by Step Solution
- Step 1: Write the proportion equation
4,920,455.04 : 6,790,230.84 = 2,744,998.16 : x - Step 2: Convert to fraction form
4,920,455.04/6,790,230.84 = 2,744,998.16/x - Step 3: Cross multiply
4,920,455.04x = 6,790,230.84 × 2,744,998.16 - Step 4: Simplify right side
4,920,455.04x = 18,639,171,161,775.25 - Step 5: Solve for x
x = 18,639,171,161,775.25/4,920,455.04 - Step 6: Final answer
x = 3,788,099.07
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1.5x scale
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.