Finding the Fourth Proportional to 2,199,815.70, 3,299,723.55 and 1,821,902.10
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Solution
The fourth proportional to 2,199,815.70, 3,299,723.55 and 1,821,902.10 is: 2,732,853.15
Step by Step Solution
- Step 1: Write the proportion equation
2,199,815.70 : 3,299,723.55 = 1,821,902.10 : x - Step 2: Convert to fraction form
2,199,815.70/3,299,723.55 = 1,821,902.10/x - Step 3: Cross multiply
2,199,815.70x = 3,299,723.55 × 1,821,902.10 - Step 4: Simplify right side
2,199,815.70x = 6,011,773,265,164.46 - Step 5: Solve for x
x = 6,011,773,265,164.46/2,199,815.70 - Step 6: Final answer
x = 2,732,853.15
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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.