Finding the Fourth Proportional to 6,343,855.19, 8,754,285.64 and 3,443,183.97
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Solution
The fourth proportional to 6,343,855.19, 8,754,285.64 and 3,443,183.97 is: 4,751,466.59
Step by Step Solution
- Step 1: Write the proportion equation
6,343,855.19 : 8,754,285.64 = 3,443,183.97 : x - Step 2: Convert to fraction form
6,343,855.19/8,754,285.64 = 3,443,183.97/x - Step 3: Cross multiply
6,343,855.19x = 8,754,285.64 × 3,443,183.97 - Step 4: Simplify right side
6,343,855.19x = 30,142,615,984,449.20 - Step 5: Solve for x
x = 30,142,615,984,449.20/6,343,855.19 - Step 6: Final answer
x = 4,751,466.59
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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.