Finding the Fourth Proportional to 3,874,636.08, 5,346,914.40 and 2,243,112.48
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Solution
The fourth proportional to 3,874,636.08, 5,346,914.40 and 2,243,112.48 is: 3,095,446.95
Step by Step Solution
- Step 1: Write the proportion equation
3,874,636.08 : 5,346,914.40 = 2,243,112.48 : x - Step 2: Convert to fraction form
3,874,636.08/5,346,914.40 = 2,243,112.48/x - Step 3: Cross multiply
3,874,636.08x = 5,346,914.40 × 2,243,112.48 - Step 4: Simplify right side
3,874,636.08x = 11,993,730,420,131.71 - Step 5: Solve for x
x = 11,993,730,420,131.71/3,874,636.08 - Step 6: Final answer
x = 3,095,446.95
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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.