Finding the Fourth Proportional to 2,119,696.51, 3,180,596.42 and 840,276.94
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Solution
The fourth proportional to 2,119,696.51, 3,180,596.42 and 840,276.94 is: 1,260,832.30
Step by Step Solution
- Step 1: Write the proportion equation
2,119,696.51 : 3,180,596.42 = 840,276.94 : x - Step 2: Convert to fraction form
2,119,696.51/3,180,596.42 = 840,276.94/x - Step 3: Cross multiply
2,119,696.51x = 3,180,596.42 × 840,276.94 - Step 4: Simplify right side
2,119,696.51x = 2,672,581,827,172.55 - Step 5: Solve for x
x = 2,672,581,827,172.55/2,119,696.51 - Step 6: Final answer
x = 1,260,832.30
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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.