Finding the Fourth Proportional to 2,579,470.62, 3,869,215.26 and 782,369.67
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Solution
The fourth proportional to 2,579,470.62, 3,869,215.26 and 782,369.67 is: 1,173,557.33
Step by Step Solution
- Step 1: Write the proportion equation
2,579,470.62 : 3,869,215.26 = 782,369.67 : x - Step 2: Convert to fraction form
2,579,470.62/3,869,215.26 = 782,369.67/x - Step 3: Cross multiply
2,579,470.62x = 3,869,215.26 × 782,369.67 - Step 4: Simplify right side
2,579,470.62x = 3,027,156,666,125.16 - Step 5: Solve for x
x = 3,027,156,666,125.16/2,579,470.62 - Step 6: Final answer
x = 1,173,557.33
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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.