Finding the Fourth Proportional to 4,043,661.24, 5,570,768.88 and 2,817,742.05
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Solution
The fourth proportional to 4,043,661.24, 5,570,768.88 and 2,817,742.05 is: 3,881,875.56
Step by Step Solution
- Step 1: Write the proportion equation
4,043,661.24 : 5,570,768.88 = 2,817,742.05 : x - Step 2: Convert to fraction form
4,043,661.24/5,570,768.88 = 2,817,742.05/x - Step 3: Cross multiply
4,043,661.24x = 5,570,768.88 × 2,817,742.05 - Step 4: Simplify right side
4,043,661.24x = 15,696,989,724,007.40 - Step 5: Solve for x
x = 15,696,989,724,007.40/4,043,661.24 - Step 6: Final answer
x = 3,881,875.56
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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.