Finding the Fourth Proportional to 1,531,977.84, 2,114,112.15 and 843,635.79
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Solution
The fourth proportional to 1,531,977.84, 2,114,112.15 and 843,635.79 is: 1,164,207.88
Step by Step Solution
- Step 1: Write the proportion equation
1,531,977.84 : 2,114,112.15 = 843,635.79 : x - Step 2: Convert to fraction form
1,531,977.84/2,114,112.15 = 843,635.79/x - Step 3: Cross multiply
1,531,977.84x = 2,114,112.15 × 843,635.79 - Step 4: Simplify right side
1,531,977.84x = 1,783,540,673,813.85 - Step 5: Solve for x
x = 1,783,540,673,813.85/1,531,977.84 - Step 6: Final answer
x = 1,164,207.88
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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.