Finding the Fourth Proportional to 2,142,839.56, 2,957,051.99 and 1,175,944.99
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Solution
The fourth proportional to 2,142,839.56, 2,957,051.99 and 1,175,944.99 is: 1,622,767.54
Step by Step Solution
- Step 1: Write the proportion equation
2,142,839.56 : 2,957,051.99 = 1,175,944.99 : x - Step 2: Convert to fraction form
2,142,839.56/2,957,051.99 = 1,175,944.99/x - Step 3: Cross multiply
2,142,839.56x = 2,957,051.99 × 1,175,944.99 - Step 4: Simplify right side
2,142,839.56x = 3,477,330,468,357.26 - Step 5: Solve for x
x = 3,477,330,468,357.26/2,142,839.56 - Step 6: Final answer
x = 1,622,767.54
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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.