Finding the Fourth Proportional to 2,085,406.80, 3,128,110.20 and 737,558.70
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Solution
The fourth proportional to 2,085,406.80, 3,128,110.20 and 737,558.70 is: 1,106,338.05
Step by Step Solution
- Step 1: Write the proportion equation
2,085,406.80 : 3,128,110.20 = 737,558.70 : x - Step 2: Convert to fraction form
2,085,406.80/3,128,110.20 = 737,558.70/x - Step 3: Cross multiply
2,085,406.80x = 3,128,110.20 × 737,558.70 - Step 4: Simplify right side
2,085,406.80x = 2,307,164,892,568.74 - Step 5: Solve for x
x = 2,307,164,892,568.74/2,085,406.80 - Step 6: Final answer
x = 1,106,338.05
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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.