Finding the Fourth Proportional to 1,631,776.35, 2,447,295.57 and 620,537.94
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Solution
The fourth proportional to 1,631,776.35, 2,447,295.57 and 620,537.94 is: 930,666.60
Step by Step Solution
- Step 1: Write the proportion equation
1,631,776.35 : 2,447,295.57 = 620,537.94 : x - Step 2: Convert to fraction form
1,631,776.35/2,447,295.57 = 620,537.94/x - Step 3: Cross multiply
1,631,776.35x = 2,447,295.57 × 620,537.94 - Step 4: Simplify right side
1,631,776.35x = 1,518,639,751,578.93 - Step 5: Solve for x
x = 1,518,639,751,578.93/1,631,776.35 - Step 6: Final answer
x = 930,666.60
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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.