Finding the Fourth Proportional to 2,579,469.62, 3,869,213.76 and 782,368.67
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Solution
The fourth proportional to 2,579,469.62, 3,869,213.76 and 782,368.67 is: 1,173,555.83
Step by Step Solution
- Step 1: Write the proportion equation
2,579,469.62 : 3,869,213.76 = 782,368.67 : x - Step 2: Convert to fraction form
2,579,469.62/3,869,213.76 = 782,368.67/x - Step 3: Cross multiply
2,579,469.62x = 3,869,213.76 × 782,368.67 - Step 4: Simplify right side
2,579,469.62x = 3,027,151,623,356.90 - Step 5: Solve for x
x = 3,027,151,623,356.90/2,579,469.62 - Step 6: Final answer
x = 1,173,555.83
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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.