Finding the Fourth Proportional to 2,668,396.29, 3,682,104.32 and 1,506,772.14
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Solution
The fourth proportional to 2,668,396.29, 3,682,104.32 and 1,506,772.14 is: 2,079,185.99
Step by Step Solution
- Step 1: Write the proportion equation
2,668,396.29 : 3,682,104.32 = 1,506,772.14 : x - Step 2: Convert to fraction form
2,668,396.29/3,682,104.32 = 1,506,772.14/x - Step 3: Cross multiply
2,668,396.29x = 3,682,104.32 × 1,506,772.14 - Step 4: Simplify right side
2,668,396.29x = 5,548,092,191,818.10 - Step 5: Solve for x
x = 5,548,092,191,818.10/2,668,396.29 - Step 6: Final answer
x = 2,079,185.99
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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.