Finding the Fourth Proportional to 2,351,574.32, 3,245,863.20 and 1,535,902.70
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Solution
The fourth proportional to 2,351,574.32, 3,245,863.20 and 1,535,902.70 is: 2,119,996.81
Step by Step Solution
- Step 1: Write the proportion equation
2,351,574.32 : 3,245,863.20 = 1,535,902.70 : x - Step 2: Convert to fraction form
2,351,574.32/3,245,863.20 = 1,535,902.70/x - Step 3: Cross multiply
2,351,574.32x = 3,245,863.20 × 1,535,902.70 - Step 4: Simplify right side
2,351,574.32x = 4,985,330,052,710.64 - Step 5: Solve for x
x = 4,985,330,052,710.64/2,351,574.32 - Step 6: Final answer
x = 2,119,996.81
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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.