Finding the Fourth Proportional to 2,586,302.80, 3,879,214.84 and 1,219,763.16
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Solution
The fourth proportional to 2,586,302.80, 3,879,214.84 and 1,219,763.16 is: 1,829,531.85
Step by Step Solution
- Step 1: Write the proportion equation
2,586,302.80 : 3,879,214.84 = 1,219,763.16 : x - Step 2: Convert to fraction form
2,586,302.80/3,879,214.84 = 1,219,763.16/x - Step 3: Cross multiply
2,586,302.80x = 3,879,214.84 × 1,219,763.16 - Step 4: Simplify right side
2,586,302.80x = 4,731,723,351,557.29 - Step 5: Solve for x
x = 4,731,723,351,557.29/2,586,302.80 - Step 6: Final answer
x = 1,829,531.85
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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.