Finding the Fourth Proportional to 1,690,394.71, 2,332,627.26 and 1,002,030.99
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Solution
The fourth proportional to 1,690,394.71, 2,332,627.26 and 1,002,030.99 is: 1,382,733.15
Step by Step Solution
- Step 1: Write the proportion equation
1,690,394.71 : 2,332,627.26 = 1,002,030.99 : x - Step 2: Convert to fraction form
1,690,394.71/2,332,627.26 = 1,002,030.99/x - Step 3: Cross multiply
1,690,394.71x = 2,332,627.26 × 1,002,030.99 - Step 4: Simplify right side
1,690,394.71x = 2,337,364,797,628.63 - Step 5: Solve for x
x = 2,337,364,797,628.63/1,690,394.71 - Step 6: Final answer
x = 1,382,733.15
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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.