Finding the Fourth Proportional to 4,343,246.42, 6,514,919.76 and 1,310,638.54
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Solution
The fourth proportional to 4,343,246.42, 6,514,919.76 and 1,310,638.54 is: 1,965,972.94
Step by Step Solution
- Step 1: Write the proportion equation
4,343,246.42 : 6,514,919.76 = 1,310,638.54 : x - Step 2: Convert to fraction form
4,343,246.42/6,514,919.76 = 1,310,638.54/x - Step 3: Cross multiply
4,343,246.42x = 6,514,919.76 × 1,310,638.54 - Step 4: Simplify right side
4,343,246.42x = 8,538,704,922,463.55 - Step 5: Solve for x
x = 8,538,704,922,463.55/4,343,246.42 - Step 6: Final answer
x = 1,965,972.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.