Finding the Fourth Proportional to 5,414,812.19, 7,475,837.66 and 3,484,427.48
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Solution
The fourth proportional to 5,414,812.19, 7,475,837.66 and 3,484,427.48 is: 4,810,695.78
Step by Step Solution
- Step 1: Write the proportion equation
5,414,812.19 : 7,475,837.66 = 3,484,427.48 : x - Step 2: Convert to fraction form
5,414,812.19/7,475,837.66 = 3,484,427.48/x - Step 3: Cross multiply
5,414,812.19x = 7,475,837.66 × 3,484,427.48 - Step 4: Simplify right side
5,414,812.19x = 26,049,014,161,100.76 - Step 5: Solve for x
x = 26,049,014,161,100.76/5,414,812.19 - Step 6: Final answer
x = 4,810,695.78
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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.