Finding the Fourth Proportional to 6,395,711.40, 9,577,820.70 and 3,025,981.80
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Solution
The fourth proportional to 6,395,711.40, 9,577,820.70 and 3,025,981.80 is: 4,531,522.66
Step by Step Solution
- Step 1: Write the proportion equation
6,395,711.40 : 9,577,820.70 = 3,025,981.80 : x - Step 2: Convert to fraction form
6,395,711.40/9,577,820.70 = 3,025,981.80/x - Step 3: Cross multiply
6,395,711.40x = 9,577,820.70 × 3,025,981.80 - Step 4: Simplify right side
6,395,711.40x = 28,982,311,121,863.26 - Step 5: Solve for x
x = 28,982,311,121,863.26/6,395,711.40 - Step 6: Final answer
x = 4,531,522.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.