Finding the Fourth Proportional to 2,874,039.19, 3,965,993.03 and 1,649,482.85
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Solution
The fourth proportional to 2,874,039.19, 3,965,993.03 and 1,649,482.85 is: 2,276,182.43
Step by Step Solution
- Step 1: Write the proportion equation
2,874,039.19 : 3,965,993.03 = 1,649,482.85 : x - Step 2: Convert to fraction form
2,874,039.19/3,965,993.03 = 1,649,482.85/x - Step 3: Cross multiply
2,874,039.19x = 3,965,993.03 × 1,649,482.85 - Step 4: Simplify right side
2,874,039.19x = 6,541,837,500,243.23 - Step 5: Solve for x
x = 6,541,837,500,243.23/2,874,039.19 - Step 6: Final answer
x = 2,276,182.43
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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.