Finding the Fourth Proportional to 4,170,937.60, 6,254,125.64 and 3,311,890.78
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Solution
The fourth proportional to 4,170,937.60, 6,254,125.64 and 3,311,890.78 is: 4,966,025.15
Step by Step Solution
- Step 1: Write the proportion equation
4,170,937.60 : 6,254,125.64 = 3,311,890.78 : x - Step 2: Convert to fraction form
4,170,937.60/6,254,125.64 = 3,311,890.78/x - Step 3: Cross multiply
4,170,937.60x = 6,254,125.64 × 3,311,890.78 - Step 4: Simplify right side
4,170,937.60x = 20,712,981,012,806.97 - Step 5: Solve for x
x = 20,712,981,012,806.97/4,170,937.60 - Step 6: Final answer
x = 4,966,025.15
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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.