Finding the Fourth Proportional to 2,755,117.80, 4,132,676.70 and 1,259,209.80
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Solution
The fourth proportional to 2,755,117.80, 4,132,676.70 and 1,259,209.80 is: 1,888,814.70
Step by Step Solution
- Step 1: Write the proportion equation
2,755,117.80 : 4,132,676.70 = 1,259,209.80 : x - Step 2: Convert to fraction form
2,755,117.80/4,132,676.70 = 1,259,209.80/x - Step 3: Cross multiply
2,755,117.80x = 4,132,676.70 × 1,259,209.80 - Step 4: Simplify right side
2,755,117.80x = 5,203,907,000,871.66 - Step 5: Solve for x
x = 5,203,907,000,871.66/2,755,117.80 - Step 6: Final answer
x = 1,888,814.70
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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.