Finding the Fourth Proportional to 5,133,711.02, 7,689,495.97 and 4,831,879.51
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Solution
The fourth proportional to 5,133,711.02, 7,689,495.97 and 4,831,879.51 is: 7,237,399.58
Step by Step Solution
- Step 1: Write the proportion equation
5,133,711.02 : 7,689,495.97 = 4,831,879.51 : x - Step 2: Convert to fraction form
5,133,711.02/7,689,495.97 = 4,831,879.51/x - Step 3: Cross multiply
5,133,711.02x = 7,689,495.97 × 4,831,879.51 - Step 4: Simplify right side
5,133,711.02x = 37,154,717,964,889.56 - Step 5: Solve for x
x = 37,154,717,964,889.56/5,133,711.02 - Step 6: Final answer
x = 7,237,399.58
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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.