Finding the Fourth Proportional to 3,886,782.19, 5,790,282.63 and 3,711,905.53
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Solution
The fourth proportional to 3,886,782.19, 5,790,282.63 and 3,711,905.53 is: 5,529,762.43
Step by Step Solution
- Step 1: Write the proportion equation
3,886,782.19 : 5,790,282.63 = 3,711,905.53 : x - Step 2: Convert to fraction form
3,886,782.19/5,790,282.63 = 3,711,905.53/x - Step 3: Cross multiply
3,886,782.19x = 5,790,282.63 × 3,711,905.53 - Step 4: Simplify right side
3,886,782.19x = 21,492,982,114,559.94 - Step 5: Solve for x
x = 21,492,982,114,559.94/3,886,782.19 - Step 6: Final answer
x = 5,529,762.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.