Finding the Fourth Proportional to 3,906,831.41, 5,860,468.55 and 1,211,539.80
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Solution
The fourth proportional to 3,906,831.41, 5,860,468.55 and 1,211,539.80 is: 1,817,378.37
Step by Step Solution
- Step 1: Write the proportion equation
3,906,831.41 : 5,860,468.55 = 1,211,539.80 : x - Step 2: Convert to fraction form
3,906,831.41/5,860,468.55 = 1,211,539.80/x - Step 3: Cross multiply
3,906,831.41x = 5,860,468.55 × 1,211,539.80 - Step 4: Simplify right side
3,906,831.41x = 7,100,190,888,915.59 - Step 5: Solve for x
x = 7,100,190,888,915.59/3,906,831.41 - Step 6: Final answer
x = 1,817,378.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.