Finding the Fourth Proportional to 4,847,945.46, 6,702,257.97 and 3,638,621.94
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Solution
The fourth proportional to 4,847,945.46, 6,702,257.97 and 3,638,621.94 is: 5,030,374.85
Step by Step Solution
- Step 1: Write the proportion equation
4,847,945.46 : 6,702,257.97 = 3,638,621.94 : x - Step 2: Convert to fraction form
4,847,945.46/6,702,257.97 = 3,638,621.94/x - Step 3: Cross multiply
4,847,945.46x = 6,702,257.97 × 3,638,621.94 - Step 4: Simplify right side
4,847,945.46x = 24,386,982,897,181.86 - Step 5: Solve for x
x = 24,386,982,897,181.86/4,847,945.46 - Step 6: Final answer
x = 5,030,374.85
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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.