Finding the Fourth Proportional to 1,470,539.76, 2,029,201.56 and 825,813.36
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Solution
The fourth proportional to 1,470,539.76, 2,029,201.56 and 825,813.36 is: 1,139,541.96
Step by Step Solution
- Step 1: Write the proportion equation
1,470,539.76 : 2,029,201.56 = 825,813.36 : x - Step 2: Convert to fraction form
1,470,539.76/2,029,201.56 = 825,813.36/x - Step 3: Cross multiply
1,470,539.76x = 2,029,201.56 × 825,813.36 - Step 4: Simplify right side
1,470,539.76x = 1,675,741,758,380.84 - Step 5: Solve for x
x = 1,675,741,758,380.84/1,470,539.76 - Step 6: Final answer
x = 1,139,541.96
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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.