Finding the Fourth Proportional to 1,574,558.76, 2,173,936.91 and 1,211,341.80
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Solution
The fourth proportional to 1,574,558.76, 2,173,936.91 and 1,211,341.80 is: 1,672,456.26
Step by Step Solution
- Step 1: Write the proportion equation
1,574,558.76 : 2,173,936.91 = 1,211,341.80 : x - Step 2: Convert to fraction form
1,574,558.76/2,173,936.91 = 1,211,341.80/x - Step 3: Cross multiply
1,574,558.76x = 2,173,936.91 × 1,211,341.80 - Step 4: Simplify right side
1,574,558.76x = 2,633,380,649,645.84 - Step 5: Solve for x
x = 2,633,380,649,645.84/1,574,558.76 - Step 6: Final answer
x = 1,672,456.26
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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.