Finding the Fourth Proportional to 1,631,790.10, 2,447,316.19 and 620,551.68
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Solution
The fourth proportional to 1,631,790.10, 2,447,316.19 and 620,551.68 is: 930,687.21
Step by Step Solution
- Step 1: Write the proportion equation
1,631,790.10 : 2,447,316.19 = 620,551.68 : x - Step 2: Convert to fraction form
1,631,790.10/2,447,316.19 = 620,551.68/x - Step 3: Cross multiply
1,631,790.10x = 2,447,316.19 × 620,551.68 - Step 4: Simplify right side
1,631,790.10x = 1,518,686,173,195.70 - Step 5: Solve for x
x = 1,518,686,173,195.70/1,631,790.10 - Step 6: Final answer
x = 930,687.21
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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.