Finding the Fourth Proportional to 1,821,724.54, 2,514,201.54 and 1,057,778.14
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Solution
The fourth proportional to 1,821,724.54, 2,514,201.54 and 1,057,778.14 is: 1,459,862.55
Step by Step Solution
- Step 1: Write the proportion equation
1,821,724.54 : 2,514,201.54 = 1,057,778.14 : x - Step 2: Convert to fraction form
1,821,724.54/2,514,201.54 = 1,057,778.14/x - Step 3: Cross multiply
1,821,724.54x = 2,514,201.54 × 1,057,778.14 - Step 4: Simplify right side
1,821,724.54x = 2,659,467,428,566.34 - Step 5: Solve for x
x = 2,659,467,428,566.34/1,821,724.54 - Step 6: Final answer
x = 1,459,862.55
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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.