Finding the Fourth Proportional to 2,331,815.87, 3,217,820.94 and 1,299,270.30
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Solution
The fourth proportional to 2,331,815.87, 3,217,820.94 and 1,299,270.30 is: 1,792,945.68
Step by Step Solution
- Step 1: Write the proportion equation
2,331,815.87 : 3,217,820.94 = 1,299,270.30 : x - Step 2: Convert to fraction form
2,331,815.87/3,217,820.94 = 1,299,270.30/x - Step 3: Cross multiply
2,331,815.87x = 3,217,820.94 × 1,299,270.30 - Step 4: Simplify right side
2,331,815.87x = 4,180,819,178,060.08 - Step 5: Solve for x
x = 4,180,819,178,060.08/2,331,815.87 - Step 6: Final answer
x = 1,792,945.68
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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.