Finding the Fourth Proportional to 3,926,906.88, 5,889,704.16 and 1,087,306.08
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Solution
The fourth proportional to 3,926,906.88, 5,889,704.16 and 1,087,306.08 is: 1,630,777.44
Step by Step Solution
- Step 1: Write the proportion equation
3,926,906.88 : 5,889,704.16 = 1,087,306.08 : x - Step 2: Convert to fraction form
3,926,906.88/5,889,704.16 = 1,087,306.08/x - Step 3: Cross multiply
3,926,906.88x = 5,889,704.16 × 1,087,306.08 - Step 4: Simplify right side
3,926,906.88x = 6,403,911,142,569.29 - Step 5: Solve for x
x = 6,403,911,142,569.29/3,926,906.88 - Step 6: Final answer
x = 1,630,777.44
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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.