Finding the Fourth Proportional to 5,217,249.45, 7,198,726.08 and 3,012,074.05
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Solution
The fourth proportional to 5,217,249.45, 7,198,726.08 and 3,012,074.05 is: 4,156,039.73
Step by Step Solution
- Step 1: Write the proportion equation
5,217,249.45 : 7,198,726.08 = 3,012,074.05 : x - Step 2: Convert to fraction form
5,217,249.45/7,198,726.08 = 3,012,074.05/x - Step 3: Cross multiply
5,217,249.45x = 7,198,726.08 × 3,012,074.05 - Step 4: Simplify right side
5,217,249.45x = 21,683,096,018,626.22 - Step 5: Solve for x
x = 21,683,096,018,626.22/5,217,249.45 - Step 6: Final answer
x = 4,156,039.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.