Finding the Fourth Proportional to 5,674,722.84, 7,831,290.06 and 3,227,685.81
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Solution
The fourth proportional to 5,674,722.84, 7,831,290.06 and 3,227,685.81 is: 4,454,304.56
Step by Step Solution
- Step 1: Write the proportion equation
5,674,722.84 : 7,831,290.06 = 3,227,685.81 : x - Step 2: Convert to fraction form
5,674,722.84/7,831,290.06 = 3,227,685.81/x - Step 3: Cross multiply
5,674,722.84x = 7,831,290.06 × 3,227,685.81 - Step 4: Simplify right side
5,674,722.84x = 25,276,943,800,656.05 - Step 5: Solve for x
x = 25,276,943,800,656.05/5,674,722.84 - Step 6: Final answer
x = 4,454,304.56
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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.