Finding the Fourth Proportional to 3,948,557.75, 5,449,045.75 and 2,316,992.30
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Solution
The fourth proportional to 3,948,557.75, 5,449,045.75 and 2,316,992.30 is: 3,197,470.53
Step by Step Solution
- Step 1: Write the proportion equation
3,948,557.75 : 5,449,045.75 = 2,316,992.30 : x - Step 2: Convert to fraction form
3,948,557.75/5,449,045.75 = 2,316,992.30/x - Step 3: Cross multiply
3,948,557.75x = 5,449,045.75 × 2,316,992.30 - Step 4: Simplify right side
3,948,557.75x = 12,625,397,052,927.86 - Step 5: Solve for x
x = 12,625,397,052,927.86/3,948,557.75 - Step 6: Final answer
x = 3,197,470.53
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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.