Finding the Fourth Proportional to 5,215,148.19, 7,197,348.30 and 2,923,751.76
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Solution
The fourth proportional to 5,215,148.19, 7,197,348.30 and 2,923,751.76 is: 4,035,026.23
Step by Step Solution
- Step 1: Write the proportion equation
5,215,148.19 : 7,197,348.30 = 2,923,751.76 : x - Step 2: Convert to fraction form
5,215,148.19/7,197,348.30 = 2,923,751.76/x - Step 3: Cross multiply
5,215,148.19x = 7,197,348.30 × 2,923,751.76 - Step 4: Simplify right side
5,215,148.19x = 21,043,259,759,458.00 - Step 5: Solve for x
x = 21,043,259,759,458.00/5,215,148.19 - Step 6: Final answer
x = 4,035,026.23
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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.