Finding the Fourth Proportional to 2,638,848.26, 3,642,002.24 and 1,672,069.11
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Solution
The fourth proportional to 2,638,848.26, 3,642,002.24 and 1,672,069.11 is: 2,307,703.53
Step by Step Solution
- Step 1: Write the proportion equation
2,638,848.26 : 3,642,002.24 = 1,672,069.11 : x - Step 2: Convert to fraction form
2,638,848.26/3,642,002.24 = 1,672,069.11/x - Step 3: Cross multiply
2,638,848.26x = 3,642,002.24 × 1,672,069.11 - Step 4: Simplify right side
2,638,848.26x = 6,089,679,435,694.46 - Step 5: Solve for x
x = 6,089,679,435,694.46/2,638,848.26 - Step 6: Final answer
x = 2,307,703.53
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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.