Finding the Fourth Proportional to 5,775,397.16, 7,969,951.62 and 3,197,023.40
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Solution
The fourth proportional to 5,775,397.16, 7,969,951.62 and 3,197,023.40 is: 4,411,838.90
Step by Step Solution
- Step 1: Write the proportion equation
5,775,397.16 : 7,969,951.62 = 3,197,023.40 : x - Step 2: Convert to fraction form
5,775,397.16/7,969,951.62 = 3,197,023.40/x - Step 3: Cross multiply
5,775,397.16x = 7,969,951.62 × 3,197,023.40 - Step 4: Simplify right side
5,775,397.16x = 25,480,121,826,007.91 - Step 5: Solve for x
x = 25,480,121,826,007.91/5,775,397.16 - Step 6: Final answer
x = 4,411,838.90
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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.