Finding the Fourth Proportional to 3,416,905.14, 4,715,427.50 and 1,889,110.68
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Solution
The fourth proportional to 3,416,905.14, 4,715,427.50 and 1,889,110.68 is: 2,607,027.14
Step by Step Solution
- Step 1: Write the proportion equation
3,416,905.14 : 4,715,427.50 = 1,889,110.68 : x - Step 2: Convert to fraction form
3,416,905.14/4,715,427.50 = 1,889,110.68/x - Step 3: Cross multiply
3,416,905.14x = 4,715,427.50 × 1,889,110.68 - Step 4: Simplify right side
3,416,905.14x = 8,907,964,427,438.56 - Step 5: Solve for x
x = 8,907,964,427,438.56/3,416,905.14 - Step 6: Final answer
x = 2,607,027.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.