Finding the Fourth Proportional to 5,791,184.64, 7,991,831.73 and 3,177,705.90
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Solution
The fourth proportional to 5,791,184.64, 7,991,831.73 and 3,177,705.90 is: 4,385,232.46
Step by Step Solution
- Step 1: Write the proportion equation
5,791,184.64 : 7,991,831.73 = 3,177,705.90 : x - Step 2: Convert to fraction form
5,791,184.64/7,991,831.73 = 3,177,705.90/x - Step 3: Cross multiply
5,791,184.64x = 7,991,831.73 × 3,177,705.90 - Step 4: Simplify right side
5,791,184.64x = 25,395,690,840,228.21 - Step 5: Solve for x
x = 25,395,690,840,228.21/5,791,184.64 - Step 6: Final answer
x = 4,385,232.46
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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.