Finding the Fourth Proportional to 1,767,239.49, 2,651,011.39 and 487,847.19
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Solution
The fourth proportional to 1,767,239.49, 2,651,011.39 and 487,847.19 is: 731,812.79
Step by Step Solution
- Step 1: Write the proportion equation
1,767,239.49 : 2,651,011.39 = 487,847.19 : x - Step 2: Convert to fraction form
1,767,239.49/2,651,011.39 = 487,847.19/x - Step 3: Cross multiply
1,767,239.49x = 2,651,011.39 × 487,847.19 - Step 4: Simplify right side
1,767,239.49x = 1,293,288,457,269.49 - Step 5: Solve for x
x = 1,293,288,457,269.49/1,767,239.49 - Step 6: Final answer
x = 731,812.79
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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.