Finding the Fourth Proportional to 6,343,742.26, 8,754,373.92 and 3,443,134.18
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Solution
The fourth proportional to 6,343,742.26, 8,754,373.92 and 3,443,134.18 is: 4,751,530.38
Step by Step Solution
- Step 1: Write the proportion equation
6,343,742.26 : 8,754,373.92 = 3,443,134.18 : x - Step 2: Convert to fraction form
6,343,742.26/8,754,373.92 = 3,443,134.18/x - Step 3: Cross multiply
6,343,742.26x = 8,754,373.92 × 3,443,134.18 - Step 4: Simplify right side
6,343,742.26x = 30,142,484,068,452.59 - Step 5: Solve for x
x = 30,142,484,068,452.59/6,343,742.26 - Step 6: Final answer
x = 4,751,530.38
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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.