Finding the Fourth Proportional to 3,959,116.84, 5,938,778.45 and 1,263,438.42
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Solution
The fourth proportional to 3,959,116.84, 5,938,778.45 and 1,263,438.42 is: 1,895,190.56
Step by Step Solution
- Step 1: Write the proportion equation
3,959,116.84 : 5,938,778.45 = 1,263,438.42 : x - Step 2: Convert to fraction form
3,959,116.84/5,938,778.45 = 1,263,438.42/x - Step 3: Cross multiply
3,959,116.84x = 5,938,778.45 × 1,263,438.42 - Step 4: Simplify right side
3,959,116.84x = 7,503,280,861,598.05 - Step 5: Solve for x
x = 7,503,280,861,598.05/3,959,116.84 - Step 6: Final answer
x = 1,895,190.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.