Finding the Fourth Proportional to 2,638,800.51, 3,641,936.34 and 1,672,021.36
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Solution
The fourth proportional to 2,638,800.51, 3,641,936.34 and 1,672,021.36 is: 2,307,637.63
Step by Step Solution
- Step 1: Write the proportion equation
2,638,800.51 : 3,641,936.34 = 1,672,021.36 : x - Step 2: Convert to fraction form
2,638,800.51/3,641,936.34 = 1,672,021.36/x - Step 3: Cross multiply
2,638,800.51x = 3,641,936.34 × 1,672,021.36 - Step 4: Simplify right side
2,638,800.51x = 6,089,395,352,240.22 - Step 5: Solve for x
x = 6,089,395,352,240.22/2,638,800.51 - Step 6: Final answer
x = 2,307,637.63
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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.