Finding the Fourth Proportional to 3,012,394.16, 4,156,954.26 and 1,705,442.96
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Solution
The fourth proportional to 3,012,394.16, 4,156,954.26 and 1,705,442.96 is: 2,353,426.54
Step by Step Solution
- Step 1: Write the proportion equation
3,012,394.16 : 4,156,954.26 = 1,705,442.96 : x - Step 2: Convert to fraction form
3,012,394.16/4,156,954.26 = 1,705,442.96/x - Step 3: Cross multiply
3,012,394.16x = 4,156,954.26 × 1,705,442.96 - Step 4: Simplify right side
3,012,394.16x = 7,089,448,377,759.01 - Step 5: Solve for x
x = 7,089,448,377,759.01/3,012,394.16 - Step 6: Final answer
x = 2,353,426.54
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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.