Finding the Fourth Proportional to 3,363,509.58, 4,643,077.97 and 2,261,579.70
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Solution
The fourth proportional to 3,363,509.58, 4,643,077.97 and 2,261,579.70 is: 3,121,944.69
Step by Step Solution
- Step 1: Write the proportion equation
3,363,509.58 : 4,643,077.97 = 2,261,579.70 : x - Step 2: Convert to fraction form
3,363,509.58/4,643,077.97 = 2,261,579.70/x - Step 3: Cross multiply
3,363,509.58x = 4,643,077.97 × 2,261,579.70 - Step 4: Simplify right side
3,363,509.58x = 10,500,690,871,161.31 - Step 5: Solve for x
x = 10,500,690,871,161.31/3,363,509.58 - Step 6: Final answer
x = 3,121,944.69
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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.