Finding the Fourth Proportional to 2,487,887.36, 3,434,343.91 and 1,672,563.94
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Solution
The fourth proportional to 2,487,887.36, 3,434,343.91 and 1,672,563.94 is: 2,308,850.42
Step by Step Solution
- Step 1: Write the proportion equation
2,487,887.36 : 3,434,343.91 = 1,672,563.94 : x - Step 2: Convert to fraction form
2,487,887.36/3,434,343.91 = 1,672,563.94/x - Step 3: Cross multiply
2,487,887.36x = 3,434,343.91 × 1,672,563.94 - Step 4: Simplify right side
2,487,887.36x = 5,744,159,768,657.34 - Step 5: Solve for x
x = 5,744,159,768,657.34/2,487,887.36 - Step 6: Final answer
x = 2,308,850.42
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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.