Finding the Fourth Proportional to 5,452,477.70, 7,524,321.57 and 2,971,720.70
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Solution
The fourth proportional to 5,452,477.70, 7,524,321.57 and 2,971,720.70 is: 4,100,921.34
Step by Step Solution
- Step 1: Write the proportion equation
5,452,477.70 : 7,524,321.57 = 2,971,720.70 : x - Step 2: Convert to fraction form
5,452,477.70/7,524,321.57 = 2,971,720.70/x - Step 3: Cross multiply
5,452,477.70x = 7,524,321.57 × 2,971,720.70 - Step 4: Simplify right side
5,452,477.70x = 22,360,182,125,403.89 - Step 5: Solve for x
x = 22,360,182,125,403.89/5,452,477.70 - Step 6: Final answer
x = 4,100,921.34
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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.