Finding the Fourth Proportional to 4,231,121.63, 5,838,947.84 and 2,420,285.63
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Solution
The fourth proportional to 4,231,121.63, 5,838,947.84 and 2,420,285.63 is: 3,339,994.16
Step by Step Solution
- Step 1: Write the proportion equation
4,231,121.63 : 5,838,947.84 = 2,420,285.63 : x - Step 2: Convert to fraction form
4,231,121.63/5,838,947.84 = 2,420,285.63/x - Step 3: Cross multiply
4,231,121.63x = 5,838,947.84 × 2,420,285.63 - Step 4: Simplify right side
4,231,121.63x = 14,131,921,528,327.52 - Step 5: Solve for x
x = 14,131,921,528,327.52/4,231,121.63 - Step 6: Final answer
x = 3,339,994.16
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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.