Finding the Fourth Proportional to 3,103,135.80, 4,654,703.70 and 859,273.80
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Solution
The fourth proportional to 3,103,135.80, 4,654,703.70 and 859,273.80 is: 1,288,910.70
Step by Step Solution
- Step 1: Write the proportion equation
3,103,135.80 : 4,654,703.70 = 859,273.80 : x - Step 2: Convert to fraction form
3,103,135.80/4,654,703.70 = 859,273.80/x - Step 3: Cross multiply
3,103,135.80x = 4,654,703.70 × 859,273.80 - Step 4: Simplify right side
3,103,135.80x = 3,999,664,936,173.06 - Step 5: Solve for x
x = 3,999,664,936,173.06/3,103,135.80 - Step 6: Final answer
x = 1,288,910.70
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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.