Finding the Fourth Proportional to 4,345,229.20, 6,517,811.40 and 1,312,589.20
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Solution
The fourth proportional to 4,345,229.20, 6,517,811.40 and 1,312,589.20 is: 1,968,874.01
Step by Step Solution
- Step 1: Write the proportion equation
4,345,229.20 : 6,517,811.40 = 1,312,589.20 : x - Step 2: Convert to fraction form
4,345,229.20/6,517,811.40 = 1,312,589.20/x - Step 3: Cross multiply
4,345,229.20x = 6,517,811.40 × 1,312,589.20 - Step 4: Simplify right side
4,345,229.20x = 8,555,208,851,276.88 - Step 5: Solve for x
x = 8,555,208,851,276.88/4,345,229.20 - Step 6: Final answer
x = 1,968,874.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.