Finding the Fourth Proportional to 4,763,277.12, 7,145,149.12 and 1,923,034.88
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Solution
The fourth proportional to 4,763,277.12, 7,145,149.12 and 1,923,034.88 is: 2,884,646.56
Step by Step Solution
- Step 1: Write the proportion equation
4,763,277.12 : 7,145,149.12 = 1,923,034.88 : x - Step 2: Convert to fraction form
4,763,277.12/7,145,149.12 = 1,923,034.88/x - Step 3: Cross multiply
4,763,277.12x = 7,145,149.12 × 1,923,034.88 - Step 4: Simplify right side
4,763,277.12x = 13,740,370,980,561.30 - Step 5: Solve for x
x = 13,740,370,980,561.30/4,763,277.12 - Step 6: Final answer
x = 2,884,646.56
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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.