Finding the Fourth Proportional to 5,263,615.41, 7,896,176.28 and 1,620,653.52
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Solution
The fourth proportional to 5,263,615.41, 7,896,176.28 and 1,620,653.52 is: 2,431,212.18
Step by Step Solution
- Step 1: Write the proportion equation
5,263,615.41 : 7,896,176.28 = 1,620,653.52 : x - Step 2: Convert to fraction form
5,263,615.41/7,896,176.28 = 1,620,653.52/x - Step 3: Cross multiply
5,263,615.41x = 7,896,176.28 × 1,620,653.52 - Step 4: Simplify right side
5,263,615.41x = 12,796,965,882,722.51 - Step 5: Solve for x
x = 12,796,965,882,722.51/5,263,615.41 - Step 6: Final answer
x = 2,431,212.18
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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.