Finding the Fourth Proportional to 1,820,207.70, 2,730,311.55 and 809,327.70
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Solution
The fourth proportional to 1,820,207.70, 2,730,311.55 and 809,327.70 is: 1,213,991.55
Step by Step Solution
- Step 1: Write the proportion equation
1,820,207.70 : 2,730,311.55 = 809,327.70 : x - Step 2: Convert to fraction form
1,820,207.70/2,730,311.55 = 809,327.70/x - Step 3: Cross multiply
1,820,207.70x = 2,730,311.55 × 809,327.70 - Step 4: Simplify right side
1,820,207.70x = 2,209,716,767,044.93 - Step 5: Solve for x
x = 2,209,716,767,044.93/1,820,207.70 - Step 6: Final answer
x = 1,213,991.55
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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.