Finding the Fourth Proportional to 2,075,442.87, 2,864,182.13 and 1,204,211.79
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Solution
The fourth proportional to 2,075,442.87, 2,864,182.13 and 1,204,211.79 is: 1,661,853.45
Step by Step Solution
- Step 1: Write the proportion equation
2,075,442.87 : 2,864,182.13 = 1,204,211.79 : x - Step 2: Convert to fraction form
2,075,442.87/2,864,182.13 = 1,204,211.79/x - Step 3: Cross multiply
2,075,442.87x = 2,864,182.13 × 1,204,211.79 - Step 4: Simplify right side
2,075,442.87x = 3,449,081,883,632.25 - Step 5: Solve for x
x = 3,449,081,883,632.25/2,075,442.87 - Step 6: Final answer
x = 1,661,853.45
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1.5x scale
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.