Finding the Fourth Proportional to 2,900,504.22, 4,001,579.19 and 2,138,369.82
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Solution
The fourth proportional to 2,900,504.22, 4,001,579.19 and 2,138,369.82 is: 2,950,127.12
Step by Step Solution
- Step 1: Write the proportion equation
2,900,504.22 : 4,001,579.19 = 2,138,369.82 : x - Step 2: Convert to fraction form
2,900,504.22/4,001,579.19 = 2,138,369.82/x - Step 3: Cross multiply
2,900,504.22x = 4,001,579.19 × 2,138,369.82 - Step 4: Simplify right side
2,900,504.22x = 8,556,856,172,236.05 - Step 5: Solve for x
x = 8,556,856,172,236.05/2,900,504.22 - Step 6: Final answer
x = 2,950,127.12
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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.