Finding the Fourth Proportional to 1,458,082.70, 2,187,124.05 and 1,304,555.30
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Solution
The fourth proportional to 1,458,082.70, 2,187,124.05 and 1,304,555.30 is: 1,956,832.95
Step by Step Solution
- Step 1: Write the proportion equation
1,458,082.70 : 2,187,124.05 = 1,304,555.30 : x - Step 2: Convert to fraction form
1,458,082.70/2,187,124.05 = 1,304,555.30/x - Step 3: Cross multiply
1,458,082.70x = 2,187,124.05 × 1,304,555.30 - Step 4: Simplify right side
1,458,082.70x = 2,853,224,271,184.97 - Step 5: Solve for x
x = 2,853,224,271,184.97/1,458,082.70 - Step 6: Final answer
x = 1,956,832.95
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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.