Finding the Fourth Proportional to 4,745,251.14, 7,119,090.50 and 1,379,458.14
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Solution
The fourth proportional to 4,745,251.14, 7,119,090.50 and 1,379,458.14 is: 2,069,540.06
Step by Step Solution
- Step 1: Write the proportion equation
4,745,251.14 : 7,119,090.50 = 1,379,458.14 : x - Step 2: Convert to fraction form
4,745,251.14/7,119,090.50 = 1,379,458.14/x - Step 3: Cross multiply
4,745,251.14x = 7,119,090.50 × 1,379,458.14 - Step 4: Simplify right side
4,745,251.14x = 9,820,487,339,621.67 - Step 5: Solve for x
x = 9,820,487,339,621.67/4,745,251.14 - Step 6: Final answer
x = 2,069,540.06
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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.