Finding the Fourth Proportional to 1,593,785.94, 2,199,368.34 and 868,619.28
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Solution
The fourth proportional to 1,593,785.94, 2,199,368.34 and 868,619.28 is: 1,198,663.95
Step by Step Solution
- Step 1: Write the proportion equation
1,593,785.94 : 2,199,368.34 = 868,619.28 : x - Step 2: Convert to fraction form
1,593,785.94/2,199,368.34 = 868,619.28/x - Step 3: Cross multiply
1,593,785.94x = 2,199,368.34 × 868,619.28 - Step 4: Simplify right side
1,593,785.94x = 1,910,413,743,945.60 - Step 5: Solve for x
x = 1,910,413,743,945.60/1,593,785.94 - Step 6: Final answer
x = 1,198,663.95
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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.