Finding the Fourth Proportional to 4,135,032.87, 5,705,509.17 and 2,415,821.22
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Solution
The fourth proportional to 4,135,032.87, 5,705,509.17 and 2,415,821.22 is: 3,333,344.75
Step by Step Solution
- Step 1: Write the proportion equation
4,135,032.87 : 5,705,509.17 = 2,415,821.22 : x - Step 2: Convert to fraction form
4,135,032.87/5,705,509.17 = 2,415,821.22/x - Step 3: Cross multiply
4,135,032.87x = 5,705,509.17 × 2,415,821.22 - Step 4: Simplify right side
4,135,032.87x = 13,783,490,123,790.59 - Step 5: Solve for x
x = 13,783,490,123,790.59/4,135,032.87 - Step 6: Final answer
x = 3,333,344.75
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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.