Finding the Fourth Proportional to 3,906,831.35, 5,860,468.45 and 1,211,539.74
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Solution
The fourth proportional to 3,906,831.35, 5,860,468.45 and 1,211,539.74 is: 1,817,378.28
Step by Step Solution
- Step 1: Write the proportion equation
3,906,831.35 : 5,860,468.45 = 1,211,539.74 : x - Step 2: Convert to fraction form
3,906,831.35/5,860,468.45 = 1,211,539.74/x - Step 3: Cross multiply
3,906,831.35x = 5,860,468.45 × 1,211,539.74 - Step 4: Simplify right side
3,906,831.35x = 7,100,190,422,191.20 - Step 5: Solve for x
x = 7,100,190,422,191.20/3,906,831.35 - Step 6: Final answer
x = 1,817,378.28
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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.