Finding the Fourth Proportional to 6,131,444.19, 8,461,395.50 and 3,554,618.91
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Solution
The fourth proportional to 6,131,444.19, 8,461,395.50 and 3,554,618.91 is: 4,905,375.55
Step by Step Solution
- Step 1: Write the proportion equation
6,131,444.19 : 8,461,395.50 = 3,554,618.91 : x - Step 2: Convert to fraction form
6,131,444.19/8,461,395.50 = 3,554,618.91/x - Step 3: Cross multiply
6,131,444.19x = 8,461,395.50 × 3,554,618.91 - Step 4: Simplify right side
6,131,444.19x = 30,077,036,431,515.81 - Step 5: Solve for x
x = 30,077,036,431,515.81/6,131,444.19 - Step 6: Final answer
x = 4,905,375.55
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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.