Finding the Fourth Proportional to 3,416,905.45, 4,715,427.93 and 1,889,110.99
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Solution
The fourth proportional to 3,416,905.45, 4,715,427.93 and 1,889,110.99 is: 2,607,027.57
Step by Step Solution
- Step 1: Write the proportion equation
3,416,905.45 : 4,715,427.93 = 1,889,110.99 : x - Step 2: Convert to fraction form
3,416,905.45/4,715,427.93 = 1,889,110.99/x - Step 3: Cross multiply
3,416,905.45x = 4,715,427.93 × 1,889,110.99 - Step 4: Simplify right side
3,416,905.45x = 8,907,966,713,327.38 - Step 5: Solve for x
x = 8,907,966,713,327.38/3,416,905.45 - Step 6: Final answer
x = 2,607,027.57
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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.