Finding the Fourth Proportional to 1,317,313.46, 1,816,889.56 and 1,133,864.26
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Solution
The fourth proportional to 1,317,313.46, 1,816,889.56 and 1,133,864.26 is: 1,563,869.34
Step by Step Solution
- Step 1: Write the proportion equation
1,317,313.46 : 1,816,889.56 = 1,133,864.26 : x - Step 2: Convert to fraction form
1,317,313.46/1,816,889.56 = 1,133,864.26/x - Step 3: Cross multiply
1,317,313.46x = 1,816,889.56 × 1,133,864.26 - Step 4: Simplify right side
1,317,313.46x = 2,060,106,129,074.24 - Step 5: Solve for x
x = 2,060,106,129,074.24/1,317,313.46 - Step 6: Final answer
x = 1,563,869.34
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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.