Finding the Fourth Proportional to 3,330,728.81, 4,988,526.41 and 2,606,557.41
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Solution
The fourth proportional to 3,330,728.81, 4,988,526.41 and 2,606,557.41 is: 3,903,914.50
Step by Step Solution
- Step 1: Write the proportion equation
3,330,728.81 : 4,988,526.41 = 2,606,557.41 : x - Step 2: Convert to fraction form
3,330,728.81/4,988,526.41 = 2,606,557.41/x - Step 3: Cross multiply
3,330,728.81x = 4,988,526.41 × 2,606,557.41 - Step 4: Simplify right side
3,330,728.81x = 13,002,880,491,502.31 - Step 5: Solve for x
x = 13,002,880,491,502.31/3,330,728.81 - Step 6: Final answer
x = 3,903,914.50
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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.