Finding the Fourth Proportional to 2,891,902.65, 3,990,826.04 and 1,602,826.26
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Solution
The fourth proportional to 2,891,902.65, 3,990,826.04 and 1,602,826.26 is: 2,211,900.45
Step by Step Solution
- Step 1: Write the proportion equation
2,891,902.65 : 3,990,826.04 = 1,602,826.26 : x - Step 2: Convert to fraction form
2,891,902.65/3,990,826.04 = 1,602,826.26/x - Step 3: Cross multiply
2,891,902.65x = 3,990,826.04 × 1,602,826.26 - Step 4: Simplify right side
2,891,902.65x = 6,396,600,776,003.81 - Step 5: Solve for x
x = 6,396,600,776,003.81/2,891,902.65 - Step 6: Final answer
x = 2,211,900.45
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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.