Finding the Fourth Proportional to 1,641,132.69, 2,264,877.24 and 916,121.94
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Solution
The fourth proportional to 1,641,132.69, 2,264,877.24 and 916,121.94 is: 1,264,311.99
Step by Step Solution
- Step 1: Write the proportion equation
1,641,132.69 : 2,264,877.24 = 916,121.94 : x - Step 2: Convert to fraction form
1,641,132.69/2,264,877.24 = 916,121.94/x - Step 3: Cross multiply
1,641,132.69x = 2,264,877.24 × 916,121.94 - Step 4: Simplify right side
1,641,132.69x = 2,074,903,730,970.65 - Step 5: Solve for x
x = 2,074,903,730,970.65/1,641,132.69 - Step 6: Final answer
x = 1,264,311.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.