Finding the Fourth Proportional to 1,718,211.80, 2,370,993.55 and 993,106.49
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Solution
The fourth proportional to 1,718,211.80, 2,370,993.55 and 993,106.49 is: 1,370,406.76
Step by Step Solution
- Step 1: Write the proportion equation
1,718,211.80 : 2,370,993.55 = 993,106.49 : x - Step 2: Convert to fraction form
1,718,211.80/2,370,993.55 = 993,106.49/x - Step 3: Cross multiply
1,718,211.80x = 2,370,993.55 × 993,106.49 - Step 4: Simplify right side
1,718,211.80x = 2,354,649,067,915.41 - Step 5: Solve for x
x = 2,354,649,067,915.41/1,718,211.80 - Step 6: Final answer
x = 1,370,406.76
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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.