Finding the Fourth Proportional to 4,939,888.81, 6,813,883.29 and 3,962,173.84
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Solution
The fourth proportional to 4,939,888.81, 6,813,883.29 and 3,962,173.84 is: 5,465,262.71
Step by Step Solution
- Step 1: Write the proportion equation
4,939,888.81 : 6,813,883.29 = 3,962,173.84 : x - Step 2: Convert to fraction form
4,939,888.81/6,813,883.29 = 3,962,173.84/x - Step 3: Cross multiply
4,939,888.81x = 6,813,883.29 × 3,962,173.84 - Step 4: Simplify right side
4,939,888.81x = 26,997,790,120,451.13 - Step 5: Solve for x
x = 26,997,790,120,451.13/4,939,888.81 - Step 6: Final answer
x = 5,465,262.71
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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.