Finding the Fourth Proportional to 2,808,082.90, 4,212,124.35 and 2,752,095.70
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Solution
The fourth proportional to 2,808,082.90, 4,212,124.35 and 2,752,095.70 is: 4,128,143.55
Step by Step Solution
- Step 1: Write the proportion equation
2,808,082.90 : 4,212,124.35 = 2,752,095.70 : x - Step 2: Convert to fraction form
2,808,082.90/4,212,124.35 = 2,752,095.70/x - Step 3: Cross multiply
2,808,082.90x = 4,212,124.35 × 2,752,095.70 - Step 4: Simplify right side
2,808,082.90x = 11,592,169,311,500.29 - Step 5: Solve for x
x = 11,592,169,311,500.29/2,808,082.90 - Step 6: Final answer
x = 4,128,143.55
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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.