Finding the Fourth Proportional to 2,075,311.80, 2,863,441.98 and 1,259,497.08
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Solution
The fourth proportional to 2,075,311.80, 2,863,441.98 and 1,259,497.08 is: 1,737,809.62
Step by Step Solution
- Step 1: Write the proportion equation
2,075,311.80 : 2,863,441.98 = 1,259,497.08 : x - Step 2: Convert to fraction form
2,075,311.80/2,863,441.98 = 1,259,497.08/x - Step 3: Cross multiply
2,075,311.80x = 2,863,441.98 × 1,259,497.08 - Step 4: Simplify right side
2,075,311.80x = 3,606,496,812,559.42 - Step 5: Solve for x
x = 3,606,496,812,559.42/2,075,311.80 - Step 6: Final answer
x = 1,737,809.62
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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.