Finding the Fourth Proportional to 4,874,241.81, 6,724,336.05 and 2,939,427.21
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Solution
The fourth proportional to 4,874,241.81, 6,724,336.05 and 2,939,427.21 is: 4,055,132.50
Step by Step Solution
- Step 1: Write the proportion equation
4,874,241.81 : 6,724,336.05 = 2,939,427.21 : x - Step 2: Convert to fraction form
4,874,241.81/6,724,336.05 = 2,939,427.21/x - Step 3: Cross multiply
4,874,241.81x = 6,724,336.05 × 2,939,427.21 - Step 4: Simplify right side
4,874,241.81x = 19,765,696,354,553.92 - Step 5: Solve for x
x = 19,765,696,354,553.92/4,874,241.81 - Step 6: Final answer
x = 4,055,132.50
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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.