Finding the Fourth Proportional to 3,388,518.75, 4,676,188.68 and 1,860,658.68
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Solution
The fourth proportional to 3,388,518.75, 4,676,188.68 and 1,860,658.68 is: 2,567,726.99
Step by Step Solution
- Step 1: Write the proportion equation
3,388,518.75 : 4,676,188.68 = 1,860,658.68 : x - Step 2: Convert to fraction form
3,388,518.75/4,676,188.68 = 1,860,658.68/x - Step 3: Cross multiply
3,388,518.75x = 4,676,188.68 × 1,860,658.68 - Step 4: Simplify right side
3,388,518.75x = 8,700,791,056,759.74 - Step 5: Solve for x
x = 8,700,791,056,759.74/3,388,518.75 - Step 6: Final answer
x = 2,567,726.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.