Finding the Fourth Proportional to 6,151,831.70, 8,489,770.60 and 3,538,331.62
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Solution
The fourth proportional to 6,151,831.70, 8,489,770.60 and 3,538,331.62 is: 4,883,037.31
Step by Step Solution
- Step 1: Write the proportion equation
6,151,831.70 : 8,489,770.60 = 3,538,331.62 : x - Step 2: Convert to fraction form
6,151,831.70/8,489,770.60 = 3,538,331.62/x - Step 3: Cross multiply
6,151,831.70x = 8,489,770.60 × 3,538,331.62 - Step 4: Simplify right side
6,151,831.70x = 30,039,623,700,385.86 - Step 5: Solve for x
x = 30,039,623,700,385.86/6,151,831.70 - Step 6: Final answer
x = 4,883,037.31
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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.