Finding the Fourth Proportional to 3,199,868.48, 4,415,818.92 and 1,749,564.92
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Solution
The fourth proportional to 3,199,868.48, 4,415,818.92 and 1,749,564.92 is: 2,414,399.82
Step by Step Solution
- Step 1: Write the proportion equation
3,199,868.48 : 4,415,818.92 = 1,749,564.92 : x - Step 2: Convert to fraction form
3,199,868.48/4,415,818.92 = 1,749,564.92/x - Step 3: Cross multiply
3,199,868.48x = 4,415,818.92 × 1,749,564.92 - Step 4: Simplify right side
3,199,868.48x = 7,725,761,875,504.29 - Step 5: Solve for x
x = 7,725,761,875,504.29/3,199,868.48 - Step 6: Final answer
x = 2,414,399.82
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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.