Finding the Fourth Proportional to 2,325,393.13, 3,209,079.83 and 1,278,855.71
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Solution
The fourth proportional to 2,325,393.13, 3,209,079.83 and 1,278,855.71 is: 1,764,841.41
Step by Step Solution
- Step 1: Write the proportion equation
2,325,393.13 : 3,209,079.83 = 1,278,855.71 : x - Step 2: Convert to fraction form
2,325,393.13/3,209,079.83 = 1,278,855.71/x - Step 3: Cross multiply
2,325,393.13x = 3,209,079.83 × 1,278,855.71 - Step 4: Simplify right side
2,325,393.13x = 4,103,950,075,661.17 - Step 5: Solve for x
x = 4,103,950,075,661.17/2,325,393.13 - Step 6: Final answer
x = 1,764,841.41
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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.