Finding the Fourth Proportional to 1,657,874.72, 2,486,811.94 and 459,797.02
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Solution
The fourth proportional to 1,657,874.72, 2,486,811.94 and 459,797.02 is: 689,695.49
Step by Step Solution
- Step 1: Write the proportion equation
1,657,874.72 : 2,486,811.94 = 459,797.02 : x - Step 2: Convert to fraction form
1,657,874.72/2,486,811.94 = 459,797.02/x - Step 3: Cross multiply
1,657,874.72x = 2,486,811.94 × 459,797.02 - Step 4: Simplify right side
1,657,874.72x = 1,143,428,719,312.42 - Step 5: Solve for x
x = 1,143,428,719,312.42/1,657,874.72 - Step 6: Final answer
x = 689,695.49
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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.