Finding the Fourth Proportional to 5,087,796.62, 7,630,679.58 and 2,492,986.72
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Solution
The fourth proportional to 5,087,796.62, 7,630,679.58 and 2,492,986.72 is: 3,738,982.57
Step by Step Solution
- Step 1: Write the proportion equation
5,087,796.62 : 7,630,679.58 = 2,492,986.72 : x - Step 2: Convert to fraction form
5,087,796.62/7,630,679.58 = 2,492,986.72/x - Step 3: Cross multiply
5,087,796.62x = 7,630,679.58 × 2,492,986.72 - Step 4: Simplify right side
5,087,796.62x = 19,023,182,857,515.18 - Step 5: Solve for x
x = 19,023,182,857,515.18/5,087,796.62 - Step 6: Final answer
x = 3,738,982.57
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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.