Finding the Fourth Proportional to 1,593,285.40, 2,198,706.06 and 868,139.20
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Solution
The fourth proportional to 1,593,285.40, 2,198,706.06 and 868,139.20 is: 1,198,016.95
Step by Step Solution
- Step 1: Write the proportion equation
1,593,285.40 : 2,198,706.06 = 868,139.20 : x - Step 2: Convert to fraction form
1,593,285.40/2,198,706.06 = 868,139.20/x - Step 3: Cross multiply
1,593,285.40x = 2,198,706.06 × 868,139.20 - Step 4: Simplify right side
1,593,285.40x = 1,908,782,919,963.55 - Step 5: Solve for x
x = 1,908,782,919,963.55/1,593,285.40 - Step 6: Final answer
x = 1,198,016.95
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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.