Finding the Fourth Proportional to 2,103,133.80, 3,153,923.10 and 683,236.20
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Solution
The fourth proportional to 2,103,133.80, 3,153,923.10 and 683,236.20 is: 1,024,601.68
Step by Step Solution
- Step 1: Write the proportion equation
2,103,133.80 : 3,153,923.10 = 683,236.20 : x - Step 2: Convert to fraction form
2,103,133.80/3,153,923.10 = 683,236.20/x - Step 3: Cross multiply
2,103,133.80x = 3,153,923.10 × 683,236.20 - Step 4: Simplify right side
2,103,133.80x = 2,154,874,433,936.22 - Step 5: Solve for x
x = 2,154,874,433,936.22/2,103,133.80 - Step 6: Final answer
x = 1,024,601.68
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1.5x scale
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.