Finding the Fourth Proportional to 1,977,003.92, 2,728,556.88 and 1,251,917.84
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Solution
The fourth proportional to 1,977,003.92, 2,728,556.88 and 1,251,917.84 is: 1,727,831.19
Step by Step Solution
- Step 1: Write the proportion equation
1,977,003.92 : 2,728,556.88 = 1,251,917.84 : x - Step 2: Convert to fraction form
1,977,003.92/2,728,556.88 = 1,251,917.84/x - Step 3: Cross multiply
1,977,003.92x = 2,728,556.88 × 1,251,917.84 - Step 4: Simplify right side
1,977,003.92x = 3,415,929,035,526.74 - Step 5: Solve for x
x = 3,415,929,035,526.74/1,977,003.92 - Step 6: Final answer
x = 1,727,831.19
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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.