Finding the Fourth Proportional to 2,017,808.12, 2,782,999.68 and 1,292,722.76
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Solution
The fourth proportional to 2,017,808.12, 2,782,999.68 and 1,292,722.76 is: 1,782,948.04
Step by Step Solution
- Step 1: Write the proportion equation
2,017,808.12 : 2,782,999.68 = 1,292,722.76 : x - Step 2: Convert to fraction form
2,017,808.12/2,782,999.68 = 1,292,722.76/x - Step 3: Cross multiply
2,017,808.12x = 2,782,999.68 × 1,292,722.76 - Step 4: Simplify right side
2,017,808.12x = 3,597,647,027,408.72 - Step 5: Solve for x
x = 3,597,647,027,408.72/2,017,808.12 - Step 6: Final answer
x = 1,782,948.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.