Finding the Fourth Proportional to 2,258,313.21, 3,387,474.68 and 1,587,396.69
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Solution
The fourth proportional to 2,258,313.21, 3,387,474.68 and 1,587,396.69 is: 2,381,098.45
Step by Step Solution
- Step 1: Write the proportion equation
2,258,313.21 : 3,387,474.68 = 1,587,396.69 : x - Step 2: Convert to fraction form
2,258,313.21/3,387,474.68 = 1,587,396.69/x - Step 3: Cross multiply
2,258,313.21x = 3,387,474.68 × 1,587,396.69 - Step 4: Simplify right side
2,258,313.21x = 5,377,266,086,553.83 - Step 5: Solve for x
x = 5,377,266,086,553.83/2,258,313.21 - Step 6: Final answer
x = 2,381,098.45
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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.