Finding the Fourth Proportional to 2,777,126.14, 3,830,891.29 and 1,615,441.62
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Solution
The fourth proportional to 2,777,126.14, 3,830,891.29 and 1,615,441.62 is: 2,228,412.01
Step by Step Solution
- Step 1: Write the proportion equation
2,777,126.14 : 3,830,891.29 = 1,615,441.62 : x - Step 2: Convert to fraction form
2,777,126.14/3,830,891.29 = 1,615,441.62/x - Step 3: Cross multiply
2,777,126.14x = 3,830,891.29 × 1,615,441.62 - Step 4: Simplify right side
2,777,126.14x = 6,188,581,241,888.73 - Step 5: Solve for x
x = 6,188,581,241,888.73/2,777,126.14 - Step 6: Final answer
x = 2,228,412.01
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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.