Finding the Fourth Proportional to 5,358,820.99, 7,395,133.15 and 2,911,452.16
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Solution
The fourth proportional to 5,358,820.99, 7,395,133.15 and 2,911,452.16 is: 4,017,782.35
Step by Step Solution
- Step 1: Write the proportion equation
5,358,820.99 : 7,395,133.15 = 2,911,452.16 : x - Step 2: Convert to fraction form
5,358,820.99/7,395,133.15 = 2,911,452.16/x - Step 3: Cross multiply
5,358,820.99x = 7,395,133.15 × 2,911,452.16 - Step 4: Simplify right side
5,358,820.99x = 21,530,576,383,055.11 - Step 5: Solve for x
x = 21,530,576,383,055.11/5,358,820.99 - Step 6: Final answer
x = 4,017,782.35
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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.