Finding the Fourth Proportional to 4,075,108.70, 6,112,663.05 and 2,185,540.70
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Solution
The fourth proportional to 4,075,108.70, 6,112,663.05 and 2,185,540.70 is: 3,278,311.05
Step by Step Solution
- Step 1: Write the proportion equation
4,075,108.70 : 6,112,663.05 = 2,185,540.70 : x - Step 2: Convert to fraction form
4,075,108.70/6,112,663.05 = 2,185,540.70/x - Step 3: Cross multiply
4,075,108.70x = 6,112,663.05 × 2,185,540.70 - Step 4: Simplify right side
4,075,108.70x = 13,359,473,881,161.13 - Step 5: Solve for x
x = 13,359,473,881,161.13/4,075,108.70 - Step 6: Final answer
x = 3,278,311.05
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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.