Finding the Fourth Proportional to 2,508,135.44, 3,461,111.14 and 1,420,414.82
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Solution
The fourth proportional to 2,508,135.44, 3,461,111.14 and 1,420,414.82 is: 1,960,106.89
Step by Step Solution
- Step 1: Write the proportion equation
2,508,135.44 : 3,461,111.14 = 1,420,414.82 : x - Step 2: Convert to fraction form
2,508,135.44/3,461,111.14 = 1,420,414.82/x - Step 3: Cross multiply
2,508,135.44x = 3,461,111.14 × 1,420,414.82 - Step 4: Simplify right side
2,508,135.44x = 4,916,213,555,703.86 - Step 5: Solve for x
x = 4,916,213,555,703.86/2,508,135.44 - Step 6: Final answer
x = 1,960,106.89
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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.