Finding the Fourth Proportional to 1,690,318.40, 2,332,626 and 926,370.14
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Solution
The fourth proportional to 1,690,318.40, 2,332,626 and 926,370.14 is: 1,278,383.45
Step by Step Solution
- Step 1: Write the proportion equation
1,690,318.40 : 2,332,626 = 926,370.14 : x - Step 2: Convert to fraction form
1,690,318.40/2,332,626 = 926,370.14/x - Step 3: Cross multiply
1,690,318.40x = 2,332,626 × 926,370.14 - Step 4: Simplify right side
1,690,318.40x = 2,160,875,074,187.64 - Step 5: Solve for x
x = 2,160,875,074,187.64/1,690,318.40 - Step 6: Final answer
x = 1,278,383.45
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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.