Finding the Fourth Proportional to 7,339,697.80, 11,009,546.70 and 2,545,793.80
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Solution
The fourth proportional to 7,339,697.80, 11,009,546.70 and 2,545,793.80 is: 3,818,690.70
Step by Step Solution
- Step 1: Write the proportion equation
7,339,697.80 : 11,009,546.70 = 2,545,793.80 : x - Step 2: Convert to fraction form
7,339,697.80/11,009,546.70 = 2,545,793.80/x - Step 3: Cross multiply
7,339,697.80x = 11,009,546.70 × 2,545,793.80 - Step 4: Simplify right side
7,339,697.80x = 28,028,035,729,670.46 - Step 5: Solve for x
x = 28,028,035,729,670.46/7,339,697.80 - Step 6: Final answer
x = 3,818,690.70
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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.