Finding the Fourth Proportional to 6,343,489.68, 8,754,024.36 and 3,442,880.64
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Solution
The fourth proportional to 6,343,489.68, 8,754,024.36 and 3,442,880.64 is: 4,751,179.95
Step by Step Solution
- Step 1: Write the proportion equation
6,343,489.68 : 8,754,024.36 = 3,442,880.64 : x - Step 2: Convert to fraction form
6,343,489.68/8,754,024.36 = 3,442,880.64/x - Step 3: Cross multiply
6,343,489.68x = 8,754,024.36 × 3,442,880.64 - Step 4: Simplify right side
6,343,489.68x = 30,139,060,991,132.39 - Step 5: Solve for x
x = 30,139,060,991,132.39/6,343,489.68 - Step 6: Final answer
x = 4,751,179.95
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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.