Finding the Fourth Proportional to 3,824,531.67, 5,735,460.69 and 1,128,141.09
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Solution
The fourth proportional to 3,824,531.67, 5,735,460.69 and 1,128,141.09 is: 1,691,817.31
Step by Step Solution
- Step 1: Write the proportion equation
3,824,531.67 : 5,735,460.69 = 1,128,141.09 : x - Step 2: Convert to fraction form
3,824,531.67/5,735,460.69 = 1,128,141.09/x - Step 3: Cross multiply
3,824,531.67x = 5,735,460.69 × 1,128,141.09 - Step 4: Simplify right side
3,824,531.67x = 6,470,408,874,468.75 - Step 5: Solve for x
x = 6,470,408,874,468.75/3,824,531.67 - Step 6: Final answer
x = 1,691,817.31
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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.