Finding the Fourth Proportional to 1,657,874.63, 2,486,811.80 and 459,796.92
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Solution
The fourth proportional to 1,657,874.63, 2,486,811.80 and 459,796.92 is: 689,695.34
Step by Step Solution
- Step 1: Write the proportion equation
1,657,874.63 : 2,486,811.80 = 459,796.92 : x - Step 2: Convert to fraction form
1,657,874.63/2,486,811.80 = 459,796.92/x - Step 3: Cross multiply
1,657,874.63x = 2,486,811.80 × 459,796.92 - Step 4: Simplify right side
1,657,874.63x = 1,143,428,403,960.67 - Step 5: Solve for x
x = 1,143,428,403,960.67/1,657,874.63 - Step 6: Final answer
x = 689,695.34
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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.