Finding the Fourth Proportional to 4,585,618.80, 6,876,678.60 and 1,389,682.80
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Solution
The fourth proportional to 4,585,618.80, 6,876,678.60 and 1,389,682.80 is: 2,083,993.98
Step by Step Solution
- Step 1: Write the proportion equation
4,585,618.80 : 6,876,678.60 = 1,389,682.80 : x - Step 2: Convert to fraction form
4,585,618.80/6,876,678.60 = 1,389,682.80/x - Step 3: Cross multiply
4,585,618.80x = 6,876,678.60 × 1,389,682.80 - Step 4: Simplify right side
4,585,618.80x = 9,556,401,971,548.08 - Step 5: Solve for x
x = 9,556,401,971,548.08/4,585,618.80 - Step 6: Final answer
x = 2,083,993.98
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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.