Finding the Fourth Proportional to 3,954,935.79, 5,457,958.35 and 2,235,953.79
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Solution
The fourth proportional to 3,954,935.79, 5,457,958.35 and 2,235,953.79 is: 3,085,699.32
Step by Step Solution
- Step 1: Write the proportion equation
3,954,935.79 : 5,457,958.35 = 2,235,953.79 : x - Step 2: Convert to fraction form
3,954,935.79/5,457,958.35 = 2,235,953.79/x - Step 3: Cross multiply
3,954,935.79x = 5,457,958.35 × 2,235,953.79 - Step 4: Simplify right side
3,954,935.79x = 12,203,742,658,344.65 - Step 5: Solve for x
x = 12,203,742,658,344.65/3,954,935.79 - Step 6: Final answer
x = 3,085,699.32
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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.