Finding the Fourth Proportional to 1,415,558.88, 2,124,251.42 and 516,925.44
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Solution
The fourth proportional to 1,415,558.88, 2,124,251.42 and 516,925.44 is: 775,721.60
Step by Step Solution
- Step 1: Write the proportion equation
1,415,558.88 : 2,124,251.42 = 516,925.44 : x - Step 2: Convert to fraction form
1,415,558.88/2,124,251.42 = 516,925.44/x - Step 3: Cross multiply
1,415,558.88x = 2,124,251.42 × 516,925.44 - Step 4: Simplify right side
1,415,558.88x = 1,098,079,597,369.50 - Step 5: Solve for x
x = 1,098,079,597,369.50/1,415,558.88 - Step 6: Final answer
x = 775,721.60
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1.5x scale
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.