Finding the Fourth Proportional to 1,709,368.20, 2,356,619.76 and 1,096,456.92
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Solution
The fourth proportional to 1,709,368.20, 2,356,619.76 and 1,096,456.92 is: 1,511,629.88
Step by Step Solution
- Step 1: Write the proportion equation
1,709,368.20 : 2,356,619.76 = 1,096,456.92 : x - Step 2: Convert to fraction form
1,709,368.20/2,356,619.76 = 1,096,456.92/x - Step 3: Cross multiply
1,709,368.20x = 2,356,619.76 × 1,096,456.92 - Step 4: Simplify right side
1,709,368.20x = 2,583,932,043,660.74 - Step 5: Solve for x
x = 2,583,932,043,660.74/1,709,368.20 - Step 6: Final answer
x = 1,511,629.88
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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.