Finding the Fourth Proportional to 5,215,147.71, 7,197,347.63 and 2,923,751.26
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Solution
The fourth proportional to 5,215,147.71, 7,197,347.63 and 2,923,751.26 is: 4,035,025.54
Step by Step Solution
- Step 1: Write the proportion equation
5,215,147.71 : 7,197,347.63 = 2,923,751.26 : x - Step 2: Convert to fraction form
5,215,147.71/7,197,347.63 = 2,923,751.26/x - Step 3: Cross multiply
5,215,147.71x = 7,197,347.63 × 2,923,751.26 - Step 4: Simplify right side
5,215,147.71x = 21,043,254,201,870.51 - Step 5: Solve for x
x = 21,043,254,201,870.51/5,215,147.71 - Step 6: Final answer
x = 4,035,025.54
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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.