Finding the Fourth Proportional to 3,170,953.88, 4,756,261.14 and 1,121,472.44
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Solution
The fourth proportional to 3,170,953.88, 4,756,261.14 and 1,121,472.44 is: 1,682,148.65
Step by Step Solution
- Step 1: Write the proportion equation
3,170,953.88 : 4,756,261.14 = 1,121,472.44 : x - Step 2: Convert to fraction form
3,170,953.88/4,756,261.14 = 1,121,472.44/x - Step 3: Cross multiply
3,170,953.88x = 4,756,261.14 × 1,121,472.44 - Step 4: Simplify right side
3,170,953.88x = 5,334,015,785,952.98 - Step 5: Solve for x
x = 5,334,015,785,952.98/3,170,953.88 - Step 6: Final answer
x = 1,682,148.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.