Finding the Fourth Proportional to 1,555,194.22, 2,146,178.50 and 866,910.62
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Solution
The fourth proportional to 1,555,194.22, 2,146,178.50 and 866,910.62 is: 1,196,342.50
Step by Step Solution
- Step 1: Write the proportion equation
1,555,194.22 : 2,146,178.50 = 866,910.62 : x - Step 2: Convert to fraction form
1,555,194.22/2,146,178.50 = 866,910.62/x - Step 3: Cross multiply
1,555,194.22x = 2,146,178.50 × 866,910.62 - Step 4: Simplify right side
1,555,194.22x = 1,860,544,934,065.67 - Step 5: Solve for x
x = 1,860,544,934,065.67/1,555,194.22 - Step 6: Final answer
x = 1,196,342.50
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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.