Finding the Fourth Proportional to 2,102,701.64, 2,901,729.81 and 1,135,831.92
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Solution
The fourth proportional to 2,102,701.64, 2,901,729.81 and 1,135,831.92 is: 1,567,448.89
Step by Step Solution
- Step 1: Write the proportion equation
2,102,701.64 : 2,901,729.81 = 1,135,831.92 : x - Step 2: Convert to fraction form
2,102,701.64/2,901,729.81 = 1,135,831.92/x - Step 3: Cross multiply
2,102,701.64x = 2,901,729.81 × 1,135,831.92 - Step 4: Simplify right side
2,102,701.64x = 3,295,877,341,413.54 - Step 5: Solve for x
x = 3,295,877,341,413.54/2,102,701.64 - Step 6: Final answer
x = 1,567,448.89
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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.