Finding the Fourth Proportional to 5,432,891.10, 8,149,336.65 and 3,280,555.05
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Solution
The fourth proportional to 5,432,891.10, 8,149,336.65 and 3,280,555.05 is: 4,920,832.58
Step by Step Solution
- Step 1: Write the proportion equation
5,432,891.10 : 8,149,336.65 = 3,280,555.05 : x - Step 2: Convert to fraction form
5,432,891.10/8,149,336.65 = 3,280,555.05/x - Step 3: Cross multiply
5,432,891.10x = 8,149,336.65 × 3,280,555.05 - Step 4: Simplify right side
5,432,891.10x = 26,734,347,501,307.58 - Step 5: Solve for x
x = 26,734,347,501,307.58/5,432,891.10 - Step 6: Final answer
x = 4,920,832.58
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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.