Finding the Fourth Proportional to 7,658,734.20, 10,568,916.36 and 4,174,104.48
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Solution
The fourth proportional to 7,658,734.20, 10,568,916.36 and 4,174,104.48 is: 5,760,189.61
Step by Step Solution
- Step 1: Write the proportion equation
7,658,734.20 : 10,568,916.36 = 4,174,104.48 : x - Step 2: Convert to fraction form
7,658,734.20/10,568,916.36 = 4,174,104.48/x - Step 3: Cross multiply
7,658,734.20x = 10,568,916.36 × 4,174,104.48 - Step 4: Simplify right side
7,658,734.20x = 44,115,761,127,021.29 - Step 5: Solve for x
x = 44,115,761,127,021.29/7,658,734.20 - Step 6: Final answer
x = 5,760,189.61
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1.5x scale
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.