Finding the Fourth Proportional to 6,343,756.26, 8,754,393.24 and 3,443,148.18
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Solution
The fourth proportional to 6,343,756.26, 8,754,393.24 and 3,443,148.18 is: 4,751,549.70
Step by Step Solution
- Step 1: Write the proportion equation
6,343,756.26 : 8,754,393.24 = 3,443,148.18 : x - Step 2: Convert to fraction form
6,343,756.26/8,754,393.24 = 3,443,148.18/x - Step 3: Cross multiply
6,343,756.26x = 8,754,393.24 × 3,443,148.18 - Step 4: Simplify right side
6,343,756.26x = 30,142,673,151,310.30 - Step 5: Solve for x
x = 30,142,673,151,310.30/6,343,756.26 - Step 6: Final answer
x = 4,751,549.70
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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.