Finding the Fourth Proportional to 4,691,075.20, 7,028,318.40 and 4,160,233.60
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Solution
The fourth proportional to 4,691,075.20, 7,028,318.40 and 4,160,233.60 is: 6,232,994.59
Step by Step Solution
- Step 1: Write the proportion equation
4,691,075.20 : 7,028,318.40 = 4,160,233.60 : x - Step 2: Convert to fraction form
4,691,075.20/7,028,318.40 = 4,160,233.60/x - Step 3: Cross multiply
4,691,075.20x = 7,028,318.40 × 4,160,233.60 - Step 4: Simplify right side
4,691,075.20x = 29,239,446,359,178.24 - Step 5: Solve for x
x = 29,239,446,359,178.24/4,691,075.20 - Step 6: Final answer
x = 6,232,994.59
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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.