Finding the Fourth Proportional to 5,154,099.88, 7,696,440.77 and 4,209,344.68
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Solution
The fourth proportional to 5,154,099.88, 7,696,440.77 and 4,209,344.68 is: 6,285,670.20
Step by Step Solution
- Step 1: Write the proportion equation
5,154,099.88 : 7,696,440.77 = 4,209,344.68 : x - Step 2: Convert to fraction form
5,154,099.88/7,696,440.77 = 4,209,344.68/x - Step 3: Cross multiply
5,154,099.88x = 7,696,440.77 × 4,209,344.68 - Step 4: Simplify right side
5,154,099.88x = 32,396,972,010,134.60 - Step 5: Solve for x
x = 32,396,972,010,134.60/5,154,099.88 - Step 6: Final answer
x = 6,285,670.20
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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.