Finding the Fourth Proportional to 2,202,608.38, 3,039,646.36 and 1,235,808.58
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Solution
The fourth proportional to 2,202,608.38, 3,039,646.36 and 1,235,808.58 is: 1,705,442.10
Step by Step Solution
- Step 1: Write the proportion equation
2,202,608.38 : 3,039,646.36 = 1,235,808.58 : x - Step 2: Convert to fraction form
2,202,608.38/3,039,646.36 = 1,235,808.58/x - Step 3: Cross multiply
2,202,608.38x = 3,039,646.36 × 1,235,808.58 - Step 4: Simplify right side
2,202,608.38x = 3,756,421,051,853.77 - Step 5: Solve for x
x = 3,756,421,051,853.77/2,202,608.38 - Step 6: Final answer
x = 1,705,442.10
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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.