Finding the Fourth Proportional to 2,926,958.72, 4,390,438.10 and 1,929,453.44
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Solution
The fourth proportional to 2,926,958.72, 4,390,438.10 and 1,929,453.44 is: 2,894,180.17
Step by Step Solution
- Step 1: Write the proportion equation
2,926,958.72 : 4,390,438.10 = 1,929,453.44 : x - Step 2: Convert to fraction form
2,926,958.72/4,390,438.10 = 1,929,453.44/x - Step 3: Cross multiply
2,926,958.72x = 4,390,438.10 × 1,929,453.44 - Step 4: Simplify right side
2,926,958.72x = 8,471,145,863,552.61 - Step 5: Solve for x
x = 8,471,145,863,552.61/2,926,958.72 - Step 6: Final answer
x = 2,894,180.17
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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.