Finding the Fourth Proportional to 5,610,912.53, 7,742,904.01 and 3,163,501.88
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Solution
The fourth proportional to 5,610,912.53, 7,742,904.01 and 3,163,501.88 is: 4,365,545.05
Step by Step Solution
- Step 1: Write the proportion equation
5,610,912.53 : 7,742,904.01 = 3,163,501.88 : x - Step 2: Convert to fraction form
5,610,912.53/7,742,904.01 = 3,163,501.88/x - Step 3: Cross multiply
5,610,912.53x = 7,742,904.01 × 3,163,501.88 - Step 4: Simplify right side
5,610,912.53x = 24,494,691,374,707.16 - Step 5: Solve for x
x = 24,494,691,374,707.16/5,610,912.53 - Step 6: Final answer
x = 4,365,545.05
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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.