Finding the Fourth Proportional to 5,784,403.20, 8,676,604.80 and 4,291,411.20
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Solution
The fourth proportional to 5,784,403.20, 8,676,604.80 and 4,291,411.20 is: 6,437,116.80
Step by Step Solution
- Step 1: Write the proportion equation
5,784,403.20 : 8,676,604.80 = 4,291,411.20 : x - Step 2: Convert to fraction form
5,784,403.20/8,676,604.80 = 4,291,411.20/x - Step 3: Cross multiply
5,784,403.20x = 8,676,604.80 × 4,291,411.20 - Step 4: Simplify right side
5,784,403.20x = 37,234,879,016,693.77 - Step 5: Solve for x
x = 37,234,879,016,693.77/5,784,403.20 - Step 6: Final answer
x = 6,437,116.80
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1.5x scale
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.