Finding the Fourth Proportional to 5,693,214.42, 7,859,883.87 and 3,765,067.74
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Solution
The fourth proportional to 5,693,214.42, 7,859,883.87 and 3,765,067.74 is: 5,197,941.45
Step by Step Solution
- Step 1: Write the proportion equation
5,693,214.42 : 7,859,883.87 = 3,765,067.74 : x - Step 2: Convert to fraction form
5,693,214.42/7,859,883.87 = 3,765,067.74/x - Step 3: Cross multiply
5,693,214.42x = 7,859,883.87 × 3,765,067.74 - Step 4: Simplify right side
5,693,214.42x = 29,592,995,199,083.36 - Step 5: Solve for x
x = 29,592,995,199,083.36/5,693,214.42 - Step 6: Final answer
x = 5,197,941.45
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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.