Finding the Fourth Proportional to 3,415,327.90, 4,713,157.10 and 1,964,994.26
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Solution
The fourth proportional to 3,415,327.90, 4,713,157.10 and 1,964,994.26 is: 2,711,694.72
Step by Step Solution
- Step 1: Write the proportion equation
3,415,327.90 : 4,713,157.10 = 1,964,994.26 : x - Step 2: Convert to fraction form
3,415,327.90/4,713,157.10 = 1,964,994.26/x - Step 3: Cross multiply
3,415,327.90x = 4,713,157.10 × 1,964,994.26 - Step 4: Simplify right side
3,415,327.90x = 9,261,326,629,324.95 - Step 5: Solve for x
x = 9,261,326,629,324.95/3,415,327.90 - Step 6: Final answer
x = 2,711,694.72
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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.