Finding the Fourth Proportional to 1,572,933.53, 2,170,615.84 and 875,198.86
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Solution
The fourth proportional to 1,572,933.53, 2,170,615.84 and 875,198.86 is: 1,207,756.38
Step by Step Solution
- Step 1: Write the proportion equation
1,572,933.53 : 2,170,615.84 = 875,198.86 : x - Step 2: Convert to fraction form
1,572,933.53/2,170,615.84 = 875,198.86/x - Step 3: Cross multiply
1,572,933.53x = 2,170,615.84 × 875,198.86 - Step 4: Simplify right side
1,572,933.53x = 1,899,720,511,439.40 - Step 5: Solve for x
x = 1,899,720,511,439.40/1,572,933.53 - Step 6: Final answer
x = 1,207,756.38
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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.