Finding the Fourth Proportional to 1,558,973.75, 2,151,390.26 and 843,581.75
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Solution
The fourth proportional to 1,558,973.75, 2,151,390.26 and 843,581.75 is: 1,164,146.32
Step by Step Solution
- Step 1: Write the proportion equation
1,558,973.75 : 2,151,390.26 = 843,581.75 : x - Step 2: Convert to fraction form
1,558,973.75/2,151,390.26 = 843,581.75/x - Step 3: Cross multiply
1,558,973.75x = 2,151,390.26 × 843,581.75 - Step 4: Simplify right side
1,558,973.75x = 1,814,873,556,245.85 - Step 5: Solve for x
x = 1,814,873,556,245.85/1,558,973.75 - Step 6: Final answer
x = 1,164,146.32
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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.