Finding the Fourth Proportional to 1,750,354.10, 2,625,531.15 and 420,658.10
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Solution
The fourth proportional to 1,750,354.10, 2,625,531.15 and 420,658.10 is: 630,987.15
Step by Step Solution
- Step 1: Write the proportion equation
1,750,354.10 : 2,625,531.15 = 420,658.10 : x - Step 2: Convert to fraction form
1,750,354.10/2,625,531.15 = 420,658.10/x - Step 3: Cross multiply
1,750,354.10x = 2,625,531.15 × 420,658.10 - Step 4: Simplify right side
1,750,354.10x = 1,104,450,945,049.82 - Step 5: Solve for x
x = 1,104,450,945,049.82/1,750,354.10 - Step 6: Final answer
x = 630,987.15
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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.