Finding the Fourth Proportional to 1,707,656.10, 2,561,484.15 and 1,642,337.70
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Solution
The fourth proportional to 1,707,656.10, 2,561,484.15 and 1,642,337.70 is: 2,463,506.55
Step by Step Solution
- Step 1: Write the proportion equation
1,707,656.10 : 2,561,484.15 = 1,642,337.70 : x - Step 2: Convert to fraction form
1,707,656.10/2,561,484.15 = 1,642,337.70/x - Step 3: Cross multiply
1,707,656.10x = 2,561,484.15 × 1,642,337.70 - Step 4: Simplify right side
1,707,656.10x = 4,206,821,987,497.45 - Step 5: Solve for x
x = 4,206,821,987,497.45/1,707,656.10 - Step 6: Final answer
x = 2,463,506.55
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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.