Finding the Fourth Proportional to 3,127,284.02, 4,313,427.04 and 2,869,991.70
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Solution
The fourth proportional to 3,127,284.02, 4,313,427.04 and 2,869,991.70 is: 3,958,546.69
Step by Step Solution
- Step 1: Write the proportion equation
3,127,284.02 : 4,313,427.04 = 2,869,991.70 : x - Step 2: Convert to fraction form
3,127,284.02/4,313,427.04 = 2,869,991.70/x - Step 3: Cross multiply
3,127,284.02x = 4,313,427.04 × 2,869,991.70 - Step 4: Simplify right side
3,127,284.02x = 12,379,499,803,355.57 - Step 5: Solve for x
x = 12,379,499,803,355.57/3,127,284.02 - Step 6: Final answer
x = 3,958,546.69
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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.