Finding the Fourth Proportional to 2,115,364.92, 3,174,308.10 and 767,632.68
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Solution
The fourth proportional to 2,115,364.92, 3,174,308.10 and 767,632.68 is: 1,151,906.52
Step by Step Solution
- Step 1: Write the proportion equation
2,115,364.92 : 3,174,308.10 = 767,632.68 : x - Step 2: Convert to fraction form
2,115,364.92/3,174,308.10 = 767,632.68/x - Step 3: Cross multiply
2,115,364.92x = 3,174,308.10 × 767,632.68 - Step 4: Simplify right side
2,115,364.92x = 2,436,702,633,948.71 - Step 5: Solve for x
x = 2,436,702,633,948.71/2,115,364.92 - Step 6: Final answer
x = 1,151,906.52
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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.