Finding the Fourth Proportional to 1,682,783.47, 2,322,231.99 and 918,831.55
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Solution
The fourth proportional to 1,682,783.47, 2,322,231.99 and 918,831.55 is: 1,267,982.52
Step by Step Solution
- Step 1: Write the proportion equation
1,682,783.47 : 2,322,231.99 = 918,831.55 : x - Step 2: Convert to fraction form
1,682,783.47/2,322,231.99 = 918,831.55/x - Step 3: Cross multiply
1,682,783.47x = 2,322,231.99 × 918,831.55 - Step 4: Simplify right side
1,682,783.47x = 2,133,740,018,831.29 - Step 5: Solve for x
x = 2,133,740,018,831.29/1,682,783.47 - Step 6: Final answer
x = 1,267,982.52
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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.