Finding the Fourth Proportional to 2,236,658.40, 3,354,987.60 and 553,761.90
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Solution
The fourth proportional to 2,236,658.40, 3,354,987.60 and 553,761.90 is: 830,642.85
Step by Step Solution
- Step 1: Write the proportion equation
2,236,658.40 : 3,354,987.60 = 553,761.90 : x - Step 2: Convert to fraction form
2,236,658.40/3,354,987.60 = 553,761.90/x - Step 3: Cross multiply
2,236,658.40x = 3,354,987.60 × 553,761.90 - Step 4: Simplify right side
2,236,658.40x = 1,857,864,307,852.44 - Step 5: Solve for x
x = 1,857,864,307,852.44/2,236,658.40 - Step 6: Final answer
x = 830,642.85
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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.