Finding the Fourth Proportional to 2,686,658.66, 3,706,389.48 and 1,815,212.06
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Solution
The fourth proportional to 2,686,658.66, 3,706,389.48 and 1,815,212.06 is: 2,504,182.23
Step by Step Solution
- Step 1: Write the proportion equation
2,686,658.66 : 3,706,389.48 = 1,815,212.06 : x - Step 2: Convert to fraction form
2,686,658.66/3,706,389.48 = 1,815,212.06/x - Step 3: Cross multiply
2,686,658.66x = 3,706,389.48 × 1,815,212.06 - Step 4: Simplify right side
2,686,658.66x = 6,727,882,883,153.13 - Step 5: Solve for x
x = 6,727,882,883,153.13/2,686,658.66 - Step 6: Final answer
x = 2,504,182.23
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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.