Finding the Fourth Proportional to 5,403,655.80, 8,085,800.70 and 3,986,479.80
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Solution
The fourth proportional to 5,403,655.80, 8,085,800.70 and 3,986,479.80 is: 5,965,198.81
Step by Step Solution
- Step 1: Write the proportion equation
5,403,655.80 : 8,085,800.70 = 3,986,479.80 : x - Step 2: Convert to fraction form
5,403,655.80/8,085,800.70 = 3,986,479.80/x - Step 3: Cross multiply
5,403,655.80x = 8,085,800.70 × 3,986,479.80 - Step 4: Simplify right side
5,403,655.80x = 32,233,881,157,375.86 - Step 5: Solve for x
x = 32,233,881,157,375.86/5,403,655.80 - Step 6: Final answer
x = 5,965,198.81
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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.