Finding the Fourth Proportional to 6,747,948.24, 10,120,883.22 and 2,198,986.08
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Solution
The fourth proportional to 6,747,948.24, 10,120,883.22 and 2,198,986.08 is: 3,298,140.49
Step by Step Solution
- Step 1: Write the proportion equation
6,747,948.24 : 10,120,883.22 = 2,198,986.08 : x - Step 2: Convert to fraction form
6,747,948.24/10,120,883.22 = 2,198,986.08/x - Step 3: Cross multiply
6,747,948.24x = 10,120,883.22 × 2,198,986.08 - Step 4: Simplify right side
6,747,948.24x = 22,255,681,318,085.58 - Step 5: Solve for x
x = 22,255,681,318,085.58/6,747,948.24 - Step 6: Final answer
x = 3,298,140.49
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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.