Finding the Fourth Proportional to 4,208,429.28, 6,313,579.44 and 1,963,342.56
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Solution
The fourth proportional to 4,208,429.28, 6,313,579.44 and 1,963,342.56 is: 2,945,450.28
Step by Step Solution
- Step 1: Write the proportion equation
4,208,429.28 : 6,313,579.44 = 1,963,342.56 : x - Step 2: Convert to fraction form
4,208,429.28/6,313,579.44 = 1,963,342.56/x - Step 3: Cross multiply
4,208,429.28x = 6,313,579.44 × 1,963,342.56 - Step 4: Simplify right side
4,208,429.28x = 12,395,719,220,492.97 - Step 5: Solve for x
x = 12,395,719,220,492.97/4,208,429.28 - Step 6: Final answer
x = 2,945,450.28
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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.