Finding the Fourth Proportional to 3,982,114.60, 5,495,644.74 and 2,263,774.12
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Solution
The fourth proportional to 3,982,114.60, 5,495,644.74 and 2,263,774.12 is: 3,124,193.95
Step by Step Solution
- Step 1: Write the proportion equation
3,982,114.60 : 5,495,644.74 = 2,263,774.12 : x - Step 2: Convert to fraction form
3,982,114.60/5,495,644.74 = 2,263,774.12/x - Step 3: Cross multiply
3,982,114.60x = 5,495,644.74 × 2,263,774.12 - Step 4: Simplify right side
3,982,114.60x = 12,440,898,335,126.13 - Step 5: Solve for x
x = 12,440,898,335,126.13/3,982,114.60 - Step 6: Final answer
x = 3,124,193.95
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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.