Finding the Fourth Proportional to 2,251,800.24, 3,107,706.93 and 1,285,075.80
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Solution
The fourth proportional to 2,251,800.24, 3,107,706.93 and 1,285,075.80 is: 1,773,531.64
Step by Step Solution
- Step 1: Write the proportion equation
2,251,800.24 : 3,107,706.93 = 1,285,075.80 : x - Step 2: Convert to fraction form
2,251,800.24/3,107,706.93 = 1,285,075.80/x - Step 3: Cross multiply
2,251,800.24x = 3,107,706.93 × 1,285,075.80 - Step 4: Simplify right side
2,251,800.24x = 3,993,638,969,235.29 - Step 5: Solve for x
x = 3,993,638,969,235.29/2,251,800.24 - Step 6: Final answer
x = 1,773,531.64
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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.