Finding the Fourth Proportional to 3,866,220.92, 5,335,237.30 and 2,147,451.68
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Solution
The fourth proportional to 3,866,220.92, 5,335,237.30 and 2,147,451.68 is: 2,963,401.35
Step by Step Solution
- Step 1: Write the proportion equation
3,866,220.92 : 5,335,237.30 = 2,147,451.68 : x - Step 2: Convert to fraction form
3,866,220.92/5,335,237.30 = 2,147,451.68/x - Step 3: Cross multiply
3,866,220.92x = 5,335,237.30 × 2,147,451.68 - Step 4: Simplify right side
3,866,220.92x = 11,457,164,303,083.66 - Step 5: Solve for x
x = 11,457,164,303,083.66/3,866,220.92 - Step 6: Final answer
x = 2,963,401.35
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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.