Finding the Fourth Proportional to 4,855,190.72, 6,699,686.18 and 2,679,593.40
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Solution
The fourth proportional to 4,855,190.72, 6,699,686.18 and 2,679,593.40 is: 3,697,575.63
Step by Step Solution
- Step 1: Write the proportion equation
4,855,190.72 : 6,699,686.18 = 2,679,593.40 : x - Step 2: Convert to fraction form
4,855,190.72/6,699,686.18 = 2,679,593.40/x - Step 3: Cross multiply
4,855,190.72x = 6,699,686.18 × 2,679,593.40 - Step 4: Simplify right side
4,855,190.72x = 17,952,434,856,601.24 - Step 5: Solve for x
x = 17,952,434,856,601.24/4,855,190.72 - Step 6: Final answer
x = 3,697,575.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.