Finding the Fourth Proportional to 1,865,114.40, 2,797,671.60 and 667,075.80
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Solution
The fourth proportional to 1,865,114.40, 2,797,671.60 and 667,075.80 is: 1,000,613.70
Step by Step Solution
- Step 1: Write the proportion equation
1,865,114.40 : 2,797,671.60 = 667,075.80 : x - Step 2: Convert to fraction form
1,865,114.40/2,797,671.60 = 667,075.80/x - Step 3: Cross multiply
1,865,114.40x = 2,797,671.60 × 667,075.80 - Step 4: Simplify right side
1,865,114.40x = 1,866,259,020,707.28 - Step 5: Solve for x
x = 1,866,259,020,707.28/1,865,114.40 - Step 6: Final answer
x = 1,000,613.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.