Finding the Fourth Proportional to 3,194,415.63, 4,408,680.15 and 1,818,094.01
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Solution
The fourth proportional to 3,194,415.63, 4,408,680.15 and 1,818,094.01 is: 2,509,189.75
Step by Step Solution
- Step 1: Write the proportion equation
3,194,415.63 : 4,408,680.15 = 1,818,094.01 : x - Step 2: Convert to fraction form
3,194,415.63/4,408,680.15 = 1,818,094.01/x - Step 3: Cross multiply
3,194,415.63x = 4,408,680.15 × 1,818,094.01 - Step 4: Simplify right side
3,194,415.63x = 8,015,394,950,677.50 - Step 5: Solve for x
x = 8,015,394,950,677.50/3,194,415.63 - Step 6: Final answer
x = 2,509,189.75
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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.