Finding the Fourth Proportional to 5,328,776.92, 7,353,706.94 and 2,881,382.12
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Solution
The fourth proportional to 5,328,776.92, 7,353,706.94 and 2,881,382.12 is: 3,976,304.51
Step by Step Solution
- Step 1: Write the proportion equation
5,328,776.92 : 7,353,706.94 = 2,881,382.12 : x - Step 2: Convert to fraction form
5,328,776.92/7,353,706.94 = 2,881,382.12/x - Step 3: Cross multiply
5,328,776.92x = 7,353,706.94 × 2,881,382.12 - Step 4: Simplify right side
5,328,776.92x = 21,188,839,692,635.91 - Step 5: Solve for x
x = 21,188,839,692,635.91/5,328,776.92 - Step 6: Final answer
x = 3,976,304.51
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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.