Finding the Fourth Proportional to 2,839,135.10, 3,918,350.25 and 1,615,738.23
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Solution
The fourth proportional to 2,839,135.10, 3,918,350.25 and 1,615,738.23 is: 2,229,914.42
Step by Step Solution
- Step 1: Write the proportion equation
2,839,135.10 : 3,918,350.25 = 1,615,738.23 : x - Step 2: Convert to fraction form
2,839,135.10/3,918,350.25 = 1,615,738.23/x - Step 3: Cross multiply
2,839,135.10x = 3,918,350.25 × 1,615,738.23 - Step 4: Simplify right side
2,839,135.10x = 6,331,028,297,455.06 - Step 5: Solve for x
x = 6,331,028,297,455.06/2,839,135.10 - Step 6: Final answer
x = 2,229,914.42
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1.5x scale
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.