Finding the Fourth Proportional to 1,317,318.22, 1,816,896.11 and 1,133,869.02
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Solution
The fourth proportional to 1,317,318.22, 1,816,896.11 and 1,133,869.02 is: 1,563,875.88
Step by Step Solution
- Step 1: Write the proportion equation
1,317,318.22 : 1,816,896.11 = 1,133,869.02 : x - Step 2: Convert to fraction form
1,317,318.22/1,816,896.11 = 1,133,869.02/x - Step 3: Cross multiply
1,317,318.22x = 1,816,896.11 × 1,133,869.02 - Step 4: Simplify right side
1,317,318.22x = 2,060,122,196,933.69 - Step 5: Solve for x
x = 2,060,122,196,933.69/1,317,318.22 - Step 6: Final answer
x = 1,563,875.88
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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.