Finding the Fourth Proportional to 4,072,640.44, 5,619,916.04 and 2,353,872.28
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Solution
The fourth proportional to 4,072,640.44, 5,619,916.04 and 2,353,872.28 is: 3,248,154.31
Step by Step Solution
- Step 1: Write the proportion equation
4,072,640.44 : 5,619,916.04 = 2,353,872.28 : x - Step 2: Convert to fraction form
4,072,640.44/5,619,916.04 = 2,353,872.28/x - Step 3: Cross multiply
4,072,640.44x = 5,619,916.04 × 2,353,872.28 - Step 4: Simplify right side
4,072,640.44x = 13,228,564,582,483.37 - Step 5: Solve for x
x = 13,228,564,582,483.37/4,072,640.44 - Step 6: Final answer
x = 3,248,154.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.