Finding the Fourth Proportional to 3,918,895.60, 5,407,777.36 and 2,199,683.96
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Solution
The fourth proportional to 3,918,895.60, 5,407,777.36 and 2,199,683.96 is: 3,035,396.28
Step by Step Solution
- Step 1: Write the proportion equation
3,918,895.60 : 5,407,777.36 = 2,199,683.96 : x - Step 2: Convert to fraction form
3,918,895.60/5,407,777.36 = 2,199,683.96/x - Step 3: Cross multiply
3,918,895.60x = 5,407,777.36 × 2,199,683.96 - Step 4: Simplify right side
3,918,895.60x = 11,895,401,107,044.73 - Step 5: Solve for x
x = 11,895,401,107,044.73/3,918,895.60 - Step 6: Final answer
x = 3,035,396.28
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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.