Finding the Fourth Proportional to 3,758,276.84, 5,638,276.38 and 1,628,718.44
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Solution
The fourth proportional to 3,758,276.84, 5,638,276.38 and 1,628,718.44 is: 2,443,450.84
Step by Step Solution
- Step 1: Write the proportion equation
3,758,276.84 : 5,638,276.38 = 1,628,718.44 : x - Step 2: Convert to fraction form
3,758,276.84/5,638,276.38 = 1,628,718.44/x - Step 3: Cross multiply
3,758,276.84x = 5,638,276.38 × 1,628,718.44 - Step 4: Simplify right side
3,758,276.84x = 9,183,164,709,922.45 - Step 5: Solve for x
x = 9,183,164,709,922.45/3,758,276.84 - Step 6: Final answer
x = 2,443,450.84
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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.