Finding the Fourth Proportional to 2,331,742.50, 3,217,811.24 and 1,351,871.49
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Solution
The fourth proportional to 2,331,742.50, 3,217,811.24 and 1,351,871.49 is: 1,865,586.47
Step by Step Solution
- Step 1: Write the proportion equation
2,331,742.50 : 3,217,811.24 = 1,351,871.49 : x - Step 2: Convert to fraction form
2,331,742.50/3,217,811.24 = 1,351,871.49/x - Step 3: Cross multiply
2,331,742.50x = 3,217,811.24 × 1,351,871.49 - Step 4: Simplify right side
2,331,742.50x = 4,350,067,268,798.19 - Step 5: Solve for x
x = 4,350,067,268,798.19/2,331,742.50 - Step 6: Final answer
x = 1,865,586.47
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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.