Finding the Fourth Proportional to 5,424,067.19, 7,485,044.12 and 2,976,615.32
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Solution
The fourth proportional to 5,424,067.19, 7,485,044.12 and 2,976,615.32 is: 4,107,636.60
Step by Step Solution
- Step 1: Write the proportion equation
5,424,067.19 : 7,485,044.12 = 2,976,615.32 : x - Step 2: Convert to fraction form
5,424,067.19/7,485,044.12 = 2,976,615.32/x - Step 3: Cross multiply
5,424,067.19x = 7,485,044.12 × 2,976,615.32 - Step 4: Simplify right side
5,424,067.19x = 22,280,096,946,159.62 - Step 5: Solve for x
x = 22,280,096,946,159.62/5,424,067.19 - Step 6: Final answer
x = 4,107,636.60
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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.