Finding the Fourth Proportional to 2,310,331.82, 3,186,895.19 and 1,449,397.40
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Solution
The fourth proportional to 2,310,331.82, 3,186,895.19 and 1,449,397.40 is: 1,999,313.50
Step by Step Solution
- Step 1: Write the proportion equation
2,310,331.82 : 3,186,895.19 = 1,449,397.40 : x - Step 2: Convert to fraction form
2,310,331.82/3,186,895.19 = 1,449,397.40/x - Step 3: Cross multiply
2,310,331.82x = 3,186,895.19 × 1,449,397.40 - Step 4: Simplify right side
2,310,331.82x = 4,619,077,579,277.04 - Step 5: Solve for x
x = 4,619,077,579,277.04/2,310,331.82 - Step 6: Final answer
x = 1,999,313.50
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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.