Finding the Fourth Proportional to 1,968,474.87, 2,716,495.34 and 1,063,056.87
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Solution
The fourth proportional to 1,968,474.87, 2,716,495.34 and 1,063,056.87 is: 1,467,018.49
Step by Step Solution
- Step 1: Write the proportion equation
1,968,474.87 : 2,716,495.34 = 1,063,056.87 : x - Step 2: Convert to fraction form
1,968,474.87/2,716,495.34 = 1,063,056.87/x - Step 3: Cross multiply
1,968,474.87x = 2,716,495.34 × 1,063,056.87 - Step 4: Simplify right side
1,968,474.87x = 2,887,789,028,194.70 - Step 5: Solve for x
x = 2,887,789,028,194.70/1,968,474.87 - Step 6: Final answer
x = 1,467,018.49
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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.