Finding the Fourth Proportional to 3,344,259.92, 5,015,799.12 and 1,321,831.52
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Solution
The fourth proportional to 3,344,259.92, 5,015,799.12 and 1,321,831.52 is: 1,982,513.78
Step by Step Solution
- Step 1: Write the proportion equation
3,344,259.92 : 5,015,799.12 = 1,321,831.52 : x - Step 2: Convert to fraction form
3,344,259.92/5,015,799.12 = 1,321,831.52/x - Step 3: Cross multiply
3,344,259.92x = 5,015,799.12 × 1,321,831.52 - Step 4: Simplify right side
3,344,259.92x = 6,630,041,374,804.26 - Step 5: Solve for x
x = 6,630,041,374,804.26/3,344,259.92 - Step 6: Final answer
x = 1,982,513.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.