Finding the Fourth Proportional to 3,968,212.28, 5,476,110.35 and 2,202,092.91
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Solution
The fourth proportional to 3,968,212.28, 5,476,110.35 and 2,202,092.91 is: 3,038,875.68
Step by Step Solution
- Step 1: Write the proportion equation
3,968,212.28 : 5,476,110.35 = 2,202,092.91 : x - Step 2: Convert to fraction form
3,968,212.28/5,476,110.35 = 2,202,092.91/x - Step 3: Cross multiply
3,968,212.28x = 5,476,110.35 × 2,202,092.91 - Step 4: Simplify right side
3,968,212.28x = 12,058,903,765,102.15 - Step 5: Solve for x
x = 12,058,903,765,102.15/3,968,212.28 - Step 6: Final answer
x = 3,038,875.68
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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.