Finding the Fourth Proportional to 3,407,831.47, 4,702,731.74 and 1,879,938.19
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Solution
The fourth proportional to 3,407,831.47, 4,702,731.74 and 1,879,938.19 is: 2,594,272.94
Step by Step Solution
- Step 1: Write the proportion equation
3,407,831.47 : 4,702,731.74 = 1,879,938.19 : x - Step 2: Convert to fraction form
3,407,831.47/4,702,731.74 = 1,879,938.19/x - Step 3: Cross multiply
3,407,831.47x = 4,702,731.74 × 1,879,938.19 - Step 4: Simplify right side
3,407,831.47x = 8,840,844,974,194.63 - Step 5: Solve for x
x = 8,840,844,974,194.63/3,407,831.47 - Step 6: Final answer
x = 2,594,272.94
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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.