Finding the Fourth Proportional to 4,940,181.76, 6,817,304.13 and 2,735,142.66
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Solution
The fourth proportional to 4,940,181.76, 6,817,304.13 and 2,735,142.66 is: 3,774,415.65
Step by Step Solution
- Step 1: Write the proportion equation
4,940,181.76 : 6,817,304.13 = 2,735,142.66 : x - Step 2: Convert to fraction form
4,940,181.76/6,817,304.13 = 2,735,142.66/x - Step 3: Cross multiply
4,940,181.76x = 6,817,304.13 × 2,735,142.66 - Step 4: Simplify right side
4,940,181.76x = 18,646,299,352,157.19 - Step 5: Solve for x
x = 18,646,299,352,157.19/4,940,181.76 - Step 6: Final answer
x = 3,774,415.65
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1.5x scale
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.