Finding the Fourth Proportional to 3,982,157.51, 5,973,236.53 and 1,587,683.67
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Solution
The fourth proportional to 3,982,157.51, 5,973,236.53 and 1,587,683.67 is: 2,381,525.61
Step by Step Solution
- Step 1: Write the proportion equation
3,982,157.51 : 5,973,236.53 = 1,587,683.67 : x - Step 2: Convert to fraction form
3,982,157.51/5,973,236.53 = 1,587,683.67/x - Step 3: Cross multiply
3,982,157.51x = 5,973,236.53 × 1,587,683.67 - Step 4: Simplify right side
3,982,157.51x = 9,483,610,069,359.62 - Step 5: Solve for x
x = 9,483,610,069,359.62/3,982,157.51 - Step 6: Final answer
x = 2,381,525.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.