Finding the Fourth Proportional to 3,420,160.99, 4,719,749.33 and 1,871,416.44
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Solution
The fourth proportional to 3,420,160.99, 4,719,749.33 and 1,871,416.44 is: 2,582,514.84
Step by Step Solution
- Step 1: Write the proportion equation
3,420,160.99 : 4,719,749.33 = 1,871,416.44 : x - Step 2: Convert to fraction form
3,420,160.99/4,719,749.33 = 1,871,416.44/x - Step 3: Cross multiply
3,420,160.99x = 4,719,749.33 × 1,871,416.44 - Step 4: Simplify right side
3,420,160.99x = 8,832,616,493,519.53 - Step 5: Solve for x
x = 8,832,616,493,519.53/3,420,160.99 - Step 6: Final answer
x = 2,582,514.84
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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.