Finding the Fourth Proportional to 3,141,757.75, 4,335,625.70 and 1,710,973.75
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Solution
The fourth proportional to 3,141,757.75, 4,335,625.70 and 1,710,973.75 is: 2,361,143.78
Step by Step Solution
- Step 1: Write the proportion equation
3,141,757.75 : 4,335,625.70 = 1,710,973.75 : x - Step 2: Convert to fraction form
3,141,757.75/4,335,625.70 = 1,710,973.75/x - Step 3: Cross multiply
3,141,757.75x = 4,335,625.70 × 1,710,973.75 - Step 4: Simplify right side
3,141,757.75x = 7,418,141,762,525.38 - Step 5: Solve for x
x = 7,418,141,762,525.38/3,141,757.75 - Step 6: Final answer
x = 2,361,143.78
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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.