Finding the Fourth Proportional to 1,729,171.52, 2,386,247.40 and 1,004,197.28
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Solution
The fourth proportional to 1,729,171.52, 2,386,247.40 and 1,004,197.28 is: 1,385,786.85
Step by Step Solution
- Step 1: Write the proportion equation
1,729,171.52 : 2,386,247.40 = 1,004,197.28 : x - Step 2: Convert to fraction form
1,729,171.52/2,386,247.40 = 1,004,197.28/x - Step 3: Cross multiply
1,729,171.52x = 2,386,247.40 × 1,004,197.28 - Step 4: Simplify right side
1,729,171.52x = 2,396,263,148,487.07 - Step 5: Solve for x
x = 2,396,263,148,487.07/1,729,171.52 - Step 6: Final answer
x = 1,385,786.85
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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.