Finding the Fourth Proportional to 7,121,824.91, 10,682,750.72 and 1,730,479.89
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Solution
The fourth proportional to 7,121,824.91, 10,682,750.72 and 1,730,479.89 is: 2,595,723.08
Step by Step Solution
- Step 1: Write the proportion equation
7,121,824.91 : 10,682,750.72 = 1,730,479.89 : x - Step 2: Convert to fraction form
7,121,824.91/10,682,750.72 = 1,730,479.89/x - Step 3: Cross multiply
7,121,824.91x = 10,682,750.72 × 1,730,479.89 - Step 4: Simplify right side
7,121,824.91x = 18,486,285,295,169.22 - Step 5: Solve for x
x = 18,486,285,295,169.22/7,121,824.91 - Step 6: Final answer
x = 2,595,723.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.