Finding the Fourth Proportional to 3,711,264.84, 5,121,670.50 and 3,541,203.72
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Solution
The fourth proportional to 3,711,264.84, 5,121,670.50 and 3,541,203.72 is: 4,886,980.43
Step by Step Solution
- Step 1: Write the proportion equation
3,711,264.84 : 5,121,670.50 = 3,541,203.72 : x - Step 2: Convert to fraction form
3,711,264.84/5,121,670.50 = 3,541,203.72/x - Step 3: Cross multiply
3,711,264.84x = 5,121,670.50 × 3,541,203.72 - Step 4: Simplify right side
3,711,264.84x = 18,136,878,627,214.26 - Step 5: Solve for x
x = 18,136,878,627,214.26/3,711,264.84 - Step 6: Final answer
x = 4,886,980.43
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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.