Finding the Fourth Proportional to 1,707,780.24, 2,561,578.02 and 866,310.12
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Solution
The fourth proportional to 1,707,780.24, 2,561,578.02 and 866,310.12 is: 1,299,418.34
Step by Step Solution
- Step 1: Write the proportion equation
1,707,780.24 : 2,561,578.02 = 866,310.12 : x - Step 2: Convert to fraction form
1,707,780.24/2,561,578.02 = 866,310.12/x - Step 3: Cross multiply
1,707,780.24x = 2,561,578.02 × 866,310.12 - Step 4: Simplify right side
1,707,780.24x = 2,219,120,961,895.56 - Step 5: Solve for x
x = 2,219,120,961,895.56/1,707,780.24 - Step 6: Final answer
x = 1,299,418.34
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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.