Finding the Fourth Proportional to 2,639,021.32, 3,958,531.98 and 1,516,374.28
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Solution
The fourth proportional to 2,639,021.32, 3,958,531.98 and 1,516,374.28 is: 2,274,561.42
Step by Step Solution
- Step 1: Write the proportion equation
2,639,021.32 : 3,958,531.98 = 1,516,374.28 : x - Step 2: Convert to fraction form
2,639,021.32/3,958,531.98 = 1,516,374.28/x - Step 3: Cross multiply
2,639,021.32x = 3,958,531.98 × 1,516,374.28 - Step 4: Simplify right side
2,639,021.32x = 6,002,616,081,029.48 - Step 5: Solve for x
x = 6,002,616,081,029.48/2,639,021.32 - Step 6: Final answer
x = 2,274,561.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.