Finding the Fourth Proportional to 1,657,874.36, 2,486,811.38 and 459,796.65
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Solution
The fourth proportional to 1,657,874.36, 2,486,811.38 and 459,796.65 is: 689,694.93
Step by Step Solution
- Step 1: Write the proportion equation
1,657,874.36 : 2,486,811.38 = 459,796.65 : x - Step 2: Convert to fraction form
1,657,874.36/2,486,811.38 = 459,796.65/x - Step 3: Cross multiply
1,657,874.36x = 2,486,811.38 × 459,796.65 - Step 4: Simplify right side
1,657,874.36x = 1,143,427,539,406.89 - Step 5: Solve for x
x = 1,143,427,539,406.89/1,657,874.36 - Step 6: Final answer
x = 689,694.93
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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.